Uhf radio scanners

Uhf radio scanners DEFAULT
  • Whistler WS1065 Desktop Digital Scanner
  • Uniden BC355N 300 Channel Mobile Base Scanner
  • Baofeng UV-5R 128 Channel Dual Band Two Way Radio
  • Uniden BC365CRS 500 Channel Alarm Clock Radio Scanner
  • Uniden BC125AT 500 Channel Handheld Scanner with Alpha Tagging
  • Whistler WS1040 Digital Handheld Scanner - Black
  • Uniden Bearcat BC75XLT Handheld Scanner
  • Uniden UNNHMPATROL2 Scanner
Sours: https://www.ebay.com/b/UHF-Radio-Scanners/40979/bn_7114630401

Uniden UH9080 UHF Radio and Scanner

Uniden UH9080 mini Compact UHF CB Mobile with Remote Speaker with Large LCD with Smart Mic Technology and Built in Scanner.

The UH9080 is the latest CB Radio in the Trade Quality Professional Series of UHF Radios. This compact and durable mobile radio provides the best communication on road while keeping you connected even in the most remote locations. The UH9080 is a remote head UHF Mobile with large LCD Display solution ideal for drivers of 4WD and Motorhomes where size is an issue. The Remote head unit can be mounted on the roof or dash of inside the vehicle and features Instant Replay allowing you to record and replay up to one minute of recent received signals ensuring important transmissions are not missed.

What makes the UH9080's unique is the innovative Smart Mic Technology with Large LCD Display. Smart Mic Technology is equipped with a 3-Way Smart Key and Built-in Dynamic speaker. With a front face speaker in the microphone and a speaker in the base you will receive optimum voice quality ensuring you never miss a transmission.

Smart MIC Technology

The embedded BearCat engine of the UH9080 makes it a UHF and Scanner in one allowing you to scan unencrypted analogue UHF Police/Fire & Ambulance frequencies, UHF CB channels and user programmable channels at the same time. Triple Watch, open scan and group scan give seamless communication across all the channels. Close call provides RF capture of strong/close UHF signals. Also, the Instant Replay Function enables you to record & replay up to 1 minute of recent received signals.

The UH9080 is also equipped with the latest technology "Voice Enhancer". Voice Enhancer allows you to choose from 4 different audio settings (Normal, Bass, Mid-Range and High) to provide a Natural Voice Enhancer for performance second to none.

Only Uniden can bring you this technology - Voice Enhancer
Voice Enhancer

The unit has a Remote Speaker Microphone with a built-in Large LCD Backlit Screen, which allows you to control all functions and features remotely, including volume and Power On/Off. Choose from 7 backlit display colours and 3 brightness levels for easy viewing at night, low light situations or just to suit your personal preference. This unit also features Instant Channel Programming and Recall at the touch of a button which is located on the MIC.

Built for rugged Australian and New Zealand conditions, the UH9060 compact size makes it ideal for the truck drivers, 4WD Drivers, and Caravan Drivers where it can be installed anywhere in the vehicle. Uniden's reliability and experience in UHF makes this unit ideal for the professionals who needs to keep in touch with the outside world. The UH9080 is not only a CB Radio but has a built in Scanner with over 100 Extra receive only channels to pick up important frequencies.

The CB Radio is also 12 / 24 voltage compatible meaning the CB radio can be installed in almost any vehicle.

The UH9080 is a 5W CB Radio with built MasterScan® technology allowing you to seamlessly communicate on not just one channel but a group of channels. If your current channel is interrupted by others outside the of the group, all radios in your group will automatically hop to a new clear channel allowing for seamless uninterrupted communication to continue.

Sours: https://www.mobilesystems.co.nz/product_details/p/892/c/290/Uniden_UH9080_UHF_Radio_and_Scanner
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Radio scanner

Uniden SDS100 Police Scanner

A scanner (also referred to as a radio scanner) is a radioreceiver that can automatically tune, or scan, two or more discrete frequencies, stopping when it finds a signal on one of them and then continuing to scan other frequencies when the initial transmission ceases.

The term scanner generally refers to a communications receiver that is primarily intended for monitoring VHF and UHF landmobile radio systems, as opposed to, for instance, a receiver used to monitor international shortwave transmissions.

More often than not, these scanners can also tune to different types of modulation as well (AM, FM, WFM, etc.). Early scanners were slow, bulky, and expensive. Today, modern microprocessors have enabled scanners to store thousands of channels and monitor hundreds of channels per second. Recent models can follow trunked radio systems and decode APCO-P25digital transmissions. Both hand held and desktop models are available. Scanners are often used to monitor police, fire and emergency medical services. Radio scanning serves an important role in the fields of journalism and crime investigation, as well as a hobby for many people around the world.

History and use[edit]

Scanners developed from earlier tunable and fixed-frequency radios that received one frequency at a time. Non-broadcast radio systems, such as those used by public safety agencies, do not transmit continuously. With a radio fixed on a single frequency, much time could pass between transmissions, while other frequencies might be active. A scanning radio will sequentially monitor multiple programmed channels, or search between user defined frequency limits. The scanner will stop on an active frequency strong enough to break the radio's squelch setting and resume scanning other frequencies when that activity ceases.

Scanners first became popular and widely available during the heyday of CB radio in the 1970s. The first scanners often had between four and ten channels and required the purchase of a separate crystal for each frequency received. A US patent was issued to Peter W. Pflasterer on June 1, 1976.[1] An early 1976 US entry was the Tennelec MCP-1, sold at the January 1976 Consumer Electronics Show in Chicago.[2]


Many recent models will allow scanning of the specific DCS or CTCSS code used on a specific frequency should it have multiple users. One memory bank can be assigned to air traffic control, another can be for local marine communications, and yet another for local police frequencies. These can be switched on and off depending on the user's preference. Most scanners have a weather radio band, allowing the listener to tune into weather radio broadcasts from a NOAA transmitter.

Some scanners are equipped with Fire-Tone out. Fire tone out decodes Quick Call type tones and acts as a pager when the correct sequence of tones is detected.

Modern scanners allow hundreds or thousands of frequencies to be entered via a keypad and stored in various 'memory banks' and can scan at a rapid rate due to modern microprocessors.

Active frequencies can be found by searching the internet and frequency reference books[3] or can be discovered through a programmable scanner's search function. An external antenna for a desktop scanner or an extendable antenna for a hand held unit will provide greater performance than the original equipment antennas provided by manufacturers.


Scanners are often used by hobbyists, railfans, siren Enthusiasts, Auto race fans, aviation enthusiasts, off-duty emergency services personnel, and reporters.

Many scanner clubs exist to allow members to share information about frequencies, codes and operations. Most have Internet presence, such as websites, email lists or Web forums.



It is legal to possess a scanner in Australia. It is legal to listen to any transmission that is not classified as telecommunication (i.e. anything not connected to the telephone network).[citation needed]


In Brazil it is legal to have a scanner, but the user should have a ham radio license. Individuals are prohibited from spreading or recording any information obtained.[citation needed]


In Canada, according to the Radiocommunication Act,[4][dead link] it is completely legal to install, operate or possess a radio apparatus that is capable only of the reception of broadcasting (digital and analogue, but not encrypted data) provided that private information is not passed on or disclosed to any other person(s) or party(s).

A situation that occurred in the Toronto area on 28 June 2011 involving York Regional Police officer Constable Garrett Styles was picked up by scanners. On-line streaming of communications between the officer and police dispatch while the fatally injured officer was in urgent need of emergency help were picked up by local media. The tragedy was widely reported before the officer's family was notified. Several media outlets rebroadcast the recorded emergency transmission. A police initiative pressuring the government to create legislation to stop online streaming of scanner captured police communications was announced in April 2012.[5] Although it is currently legal to stream information from a scanner in Canada[citation needed], using the information for profit is not legal. Some Canadian police forces use encrypted communications which cannot legally be decrypted and streamed onto the Internet. Applications are available permitting anyone with an Internet ready computer or smart phone to access scanner communications that are streamed onto the Internet by private individuals who possess the appropriate scanner and computer equipment.


Owning a scanner that is able to intercept the frequencies of law enforcement, is illegal and carries a jail sentence from one to five years. Art. 617 bis Civil Penal Code. [6]


It is legal to possess, install and operate a scanner in Japan. The radio law prohibits from disclosing or passing on information received to other persons and using the information to gain personal profit. It is illegal to listen to telephone communication and those transmitted using tapping devices. An amateur radio license is required when amateur radio apparatus is used to listen to radio.[citation needed]


In Mexico it is legal to have an unblocked scanner and listen to any radio spectrum frequencies including encrypted and cellular band. According to the Federal Law of General Ways of Communication, individuals are prohibited from spreading any information obtained via the mass media.[7]


In the Netherlands it is legal to listen to any radio spectrum frequency because of the "freedom of information"-doctrine However, if a "special" (i.e., unusual) effort is needed to intercept the information on a frequency (such as decrypting encrypted traffic or using an unauthorized scanner) then it is considered illegal.[8] In 2008, the Dutch Supreme Court ruled that receivers that can solely be used to detect certain frequencies (such as radar detectors) are illegal because they cannot be used to "convey knowledge or thoughts" and thus are not covered by the aforementioned doctrine.[9]

New Zealand[edit]

In New Zealand, according to the Radiocommunications Act 1989[10] it is legal to possess and use a scanner at any time to tune to any private voice radio (not encrypted data) provided that private information is not passed on or disclosed to any other person(s) or party(s).

United Kingdom[edit]

In the UK it is not illegal to own or use a scanner except in particular circumstances. For example, particular transmissions or frequencies should only be listened to with authorization [11] an example of this being UK aviation frequencies, which in many other countries may be publicly listened to (and are even available to be streamed online[12]) but in the UK are restricted.[13]

United States[edit]

A Uniden scanner installed in a vehicle. Some US states prohibit this unless the operator has an FCC issued radio license

The legality of radio scanners in the United States varies considerably between jurisdictions, although it is a federal crime to monitor cellular phone calls. Five US states restrict the use of a scanner in an automobile.[14] Although scanners capable of following trunked radio systems and demodulating some digital radio systems such as APCO Project 25 are available, decryption-capable scanners would be a violation of United States law and possibly laws of other countries.[citation needed]

A law passed by the Congress of the United States, under the pressure from cellular telephone interests, prohibited scanners sold after a certain date from receiving frequencies allocated to the Cellular Radio Service. The law was later amended to make it illegal to modify radios to receive those frequencies, and also to sell radios that could be easily modified to do so.[15] This law remains in effect even though no cellular subscribers still use analog technology. There are Canadian and European unblocked versions available, but these are illegal to import into the U.S. Frequencies used by early cordless phones at 43.720–44.480 MHz, 46.610–46.930 MHz, and 902.000–906.000 MHz can be picked up by many scanners. The proliferation of scanners led most cordless phone manufacturers to produce cordless handsets operating on a more secure 2.4 GHz system using spread-spectrum technology. Certain states in the United States such as New York and Florida, prohibit the use of scanners in a vehicle unless the operator has a radio license issued from the Federal Communications Commission (FCC) (Amateur Radio, etc.)[16][17] or the operator's job requires the use of a scanner in a vehicle (e.g., police, fire, utilities).[citation needed] Many scanner user manuals include a warning saying that, while it is legal to listen to almost every transmission a scanner can receive, but there are some that persons should not intentionally listen to (such as telephone conversations, pager transmissions, or any scrambled or encrypted transmissions) under the Electronic Communications Privacy Act, and that modifications to do so are illegal.[18]

In some parts of the United States, there are extra penalties for the possession of a scanner during a crime, and some states, such as Michigan, also prohibit the possession of a scanner by a person who has been convicted of a felony in the last five years.[19]

Many people including siren Enthusiasts, aviation enthusiasts, and more use scanner audio or footage and post them online. Older people who are involved in these group (mainly siren enthusiasts) have said that putting siren activation tones in videos is either illegal or dangerous. Their reasoning is that in 2017 a very large siren system in Dallas, Texas had been hacked and all of the sirens in Dallas County went off in the middle of the night. According to some siren enthusiasts the hack was done by using a Two-way radio and using a video online using activation tones from Dallas County's dispatch center. The hacker then transmitted the video with tones in it over the dispatch frequency which lead to all of the sirens going off in Dallas. More of these hacks happened in places such as Cincinnati, Ohio, Milwaukee, Wisconsin and other cities. After this many siren enthusiasts stopped putting activation tones in videos so that they wouldn't be used maliciously. A lot of arguments in the siren community have spun up after these hacks. Some enthusiasts began altering or pitch shifting tones so that they don't sound like the real activation tones and some still keep them in there, however they put a disclaimer in the description of the video saying they will not be held responsible for misuse of activation tones. The reason why activation tones are in videos in the first place is to alert the enthusiasts of when said siren is about to go off. With this being in mind, this is what some sources say about putting scanner audio in videos (including tones). Section 705 of the Communications Act States that: No person not being authorized by the sender shall intercept any radio communication and divulge or publish the existence, contents, substance, purport, effect, or meaning of such intercepted communication to any person. 47 U.S.C. § 605(a). The penalties for violating this section are severe: a fine of not more than $2000, imprisonment, or both or, where such violation is “willfull" and for purposes of direct or indirect commercial advantage or private financial gain,” a fine of up to $50,000 and imprisonment of not more than two years for the first such conviction and up to $100,000 and five years for subsequent convictions. In addition, the statute provides for a private civil remedy to any person aggrieved by a violation of this section. The FCC regulations implementing this section more specifically provide that messages originated by “privately-owned non-broadcast stations . . . may be broadcast only upon receipt of prior permission from the non-broadcast licensee.” When people read this, they took it as putting scanner broadcasts online is illegal. This is not true because it only refers to the Interception of broadcasts. Which means it is still legal to put scanner audio in videos but you cannot re-broadcast them over said frequency. Since most Police, Fire, EMS, and Public Safety frequencies are public and publicly available in the FCC Database, you can still put audio in videos no matter what the audio is.

In the United States, Licensed Amateur Radio Operators with a valid FCC License may possess Amateur Radio Transceivers capable of reception beyond the Amateur Radio Bands per an FCC Memorandum & Order known as FCC Docket PR91-36 (also known as FCC 93-410).[20][21]

See also[edit]


  1. ^Patent US3961261 - Crystalless scanning radio receiver patents.google.com.
  2. ^Curtis, Anthony R. (July 1977). "Computerized scanners". Popular Mechanics. 148 (1): 68–70. Retrieved 1 June 2011.
  3. ^Kneitel, Tom (1986). The "Top Secret" registry of U.S. Government radio frequencies. Commack, NY: CRB Research. ISBN .
  4. ^Radiocommunication Act: An Act respecting radiocommunication in Canada. R.S., 1985, c. R-2, s. 1; 1989, c. 17, s. 2.
  5. ^Gonczol, David (13 April 2012). "Police Hope to End Rebroadcasting of Scanners". Ottawa Citizen. Retrieved 14 April 2012.
  6. ^"Art. 617 bis codice penale - Installazione di apparecchiature atte ad intercettare od impedire comunicazioni o conversazioni telegrafiche o telefoniche". Brocardi.it. Retrieved 22 September 2018.
  7. ^"Ley de Vías Generales de Comunicación - 73"(PDF).
  8. ^"Vrije signalen uit de ether - ICTRecht juridisch adviesbureau". Retrieved 22 September 2018.
  9. ^Raad, Parket bij de Hoge (8 April 2008). "ECLI:NL:PHR:2008:BC4284, voorheen LJN BC4284, Parket bij de Hoge Raad, 03362/06". Retrieved 22 September 2018.
  10. ^"Radiocommunications Act 1989 No 148 (as at 28 September 2017), Public Act Contents – New Zealand Legislation". www.legislation.govt.nz. Retrieved 22 September 2018.
  11. ^"Archived copy". Archived from the original on 2016-08-07. Retrieved 2016-08-05.CS1 maint: archived copy as title (link)
  12. ^"Listen to Live ATC (Air Traffic Control) Communications - LiveATC.net". www.liveatc.net. Retrieved 22 September 2018.
  13. ^"The law regarding listening to UK air traffic. - Heathrow Airport Information". 12 April 2011. Retrieved 22 September 2018.
  14. ^"Are Police Scanners Legal? Police Scanner Laws in the U.S."www.zipscanners.com. Retrieved 22 September 2018.
  15. ^FCC (1997-07-10). DA 97-1440: Manufacturing Illegal Scanners Includes Scanner Modification. Federal Communications Commission, 10 July 1997. Retrieved from http://www.fcc.gov/Bureaus/Engineering_Technology/Public_Notices/1997/da971440.txt.
  16. ^§397 Equipping motor vehicles with radio receiving sets
  17. ^"Statutes & Constitution :View Statutes : Online Sunshine". www.leg.state.fl.us. Retrieved 22 September 2018.
  18. ^"UB360 DIGITAL MOBILE TRUNKING SCANNER User Manual Uniden America". Retrieved 25 December 2020.
  19. ^"Michigan Legislature - Section 750.508". legislature.mi.gov. Retrieved 22 September 2018.
  20. ^FCC (1993-09-03). PR Docket 91-36: In the Matter of Federal Preemption of State and Local Laws Concerning Amateur Operator Use of Transceivers Capable of Reception Beyond Amateur Service Frequency Allocations—Memorandum Opinion and Order. Federal Communications Commission, 3 September 1993. Retrieved from http://www.arrl.org/files/file/pr91-36.pdf.
  21. ^A partial copy of the Electronic Communications Privacy Act of 1986 can be found at http://floridalawfirm.com/privacy.html with the following disclaimer: "This document was originally published by Florida Law Firm in 1998. It is no longer current and should not be relied upon for any reason."

External links[edit]

Sours: https://en.wikipedia.org/wiki/Radio_scanner

Everything you needed to know about Radio Receivers/Scanners

Tuning into the airwaves for new and interesting transmissions has fascinated enthusiasts since the very earliest days of radio. As a result of advances in computer and radio technology, the equipment packed radio rooms of the past are now replaced by scanning receivers sometimes just the size of a mobile phone. The radio scanner/receiver has the ability to scan a very wide range of radio frequencies and lock on to any transmission that it receives. You could be listening to a Jumbo jet flying at 40,000ft over Paris or maybe a short wave broadcast from Moscow.

So what can radio receivers/scanners pick up?

Everything you needed to know about Radio Receivers/Scanners
Most radio scanners/receivers today will allow you to: • Monitor ground to air communications at airports and air shows.
• Listen to marine radio traffic in ports and harbours.
• Tune into international broadcast stations.
• Listen to hobbyist radio such as Citizens Band (CB) and Amateur radio.
• Receive broadcast transmissions, i.e. BBC and local radio.
• Receiving communications from the Space Station
• High altitude amateur balloons www.arhab.org/and APRS tracking
• NOAA orbiting weather satellite reception.
• Interfacing with computer/the internet for remote access (IC-R8600)
• Monitor PMR bands that might include security, taxis radio traffic.
• Listen to Licence free/PMR446 radios

What types of radio receivers/scanners are there?

Scanners essentially come in two types, handheld and base/mobile, although there are PC-based units available. Deciding which to buy is simply a case of knowing how and where you will use the receiver/scanner most and your budget. Those that prefer to scan the airwaves in the comfort of their own home should invest in a home-based unit. If you like the idea of wandering about outdoors, then a handheld unit is the obvious choice. If, however, you are just starting out in scanning and are not sure which of these options you are likely to prefer, then buying a handheld unit is probably the way forward, as this enables you to use it both indoors and outdoors. The predominant modes are AM and FM, although there are others such as USB (upper sideband) and LSB (lower sideband). The USB and LSB modes are mostly used in the HF band (3-30MHz) by amateur radio enthusiasts in particular, but also marine, aircraft and others. However, it is the FM mode that will provide most of the action with a few exceptions such as the Air Band (108-136 MHz), which uses AM.What can and cannot be monitored legally?
This is a thorny question that is complicated by the official blind eye that is so often turned towards such activities. Frequencies that can be monitored without fear of prosecution include radio, TV broadcasts, amateur radio transmissions and a wide range of overseas transmissions on the short wave bands. Short wave signals often originate overseas and normally consist of commercial, military, news service and marine transmissions. Aircraft and marine communications, where signals contain mainly navigational information are relatively safe, and authorities tend to turn a 'blind-eye' for tuning into these frequencies. Although they have moved to encrypted digital transmission, frequencies used by police, fire brigade, ambulances and telephone calls, are large NO GOareas. Monitoring the police is inviting trouble. You also run the risk of prosecution if your scanner is obtained by the authorities and shows illegal channels in its memory.
Many countries have regulations controlling the sale of scanners that cover certain frequency bands. The UK is, at present, free from such restrictions and it is in the interest of all scanner users to use them responsibly to avoid restrictive legislation being introduced.

Best practice when using a radio receiver/scanner

Everything you needed to know about Radio Receivers/Scanners
There are two ways of operating a scanner, generally referred to as the ‘search’ mode and the ‘scan’ mode. The ‘search’ mode does just that: i.e. it searches for any radio transmissions it can find within a defined frequency range. If the scanner finds a transmission, it halts and allows you to listen to the broadcast. The ‘scan’ mode usually comes into play after you’ve been searching for a while and found a number of frequencies that you like to return to. These frequencies can be stored in the scanner’s memory. The unit can then be set to just ‘scan’ those stored frequencies to rapidly find the channels that interest you. A key consideration for efficient operation is to choose the size of step you want your scanner to search by. Depending on your scanner, the step sizes usually range from 5 kHz up to 50 kHz. For example, as a rule of thumb it is best to stick to 6.5 kHz and 12.5 kHz size steps when scanning the VHF and UHF bands. It is therefore important to identify what the most efficient step size is to avoid missing any transmissions. Finding the right step size also ensures that when the scanner stops on a transmission, it is correctly tuned into the right frequency.

Available Icom Receivers/Scanners

Scanners or radio receivers are still popular, and with the development of digital radio receivers, you can expect to pick up the burgeoning level of new digital radio traffic. Icom has a range of receiver/scanner from the pocket sized IC-R6 Handheldto the commercial IC-R9500 wide band receiver, which is a serious beastie. New to the range is the IC-R30and IC-R8600, which can pick up digital D-STAR, P25, NXDN and dPMR digital (conventional) transmissions. Our final advice
If you are new to the radio-scanning scene then take care to read the manual and make yourself thoroughly familiar with how your unit operates. Be warned, searching for transmissions can be a frustrating business at first, but don’t give up. Instead, take your time and keep looking, and soon you will have a list of interesting frequencies stored up for you to return to.
Sours: https://icomuk.co.uk/Everything-you-needed-to-know-about-Radio-Receivers-Scanners/3997/126/

Radio scanners uhf

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