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Since 3 February 2004, the Infocomm Media Development Authority of Singapore (IMDA) has allocated the 446.0–446.1 MHz frequency band for low-powered walkie-talkies on a non-interference, non-protected and shared-use basis.
RFM has an extensive FM national network which covers most of the population living in Portugal mainland. Additionally, the station has a transmitter in São Miguel island ( Azores ), reaching both São Miguel and Santa Maria islands, and a transmitter located in Madeira , covering not only that island, but also Porto Santo .
Associação Rádio Maria Portugal. Radio Maria (Christian music, Catholic Church devotions and prayers) Other radios. Radio Observador (news) Estação Orbital (dance music) Rádio NoAr (portuguese popular music) Rádio Hiper FM (R&B, dance music) Nove3Cinco (dance music, house) Rádio 105.4 FM (Rock) Rádio Nova (news, adult contemporary music)
Typical walkie-talkies resemble a telephone handset, with a speaker built into one end and a microphone in the other (in some devices the speaker also is used as the microphone) and an antenna mounted on the top of the unit. They are held up to the face to talk. A walkie-talkie is a half-duplex communication device. Multiple walkie-talkies use ...
Uniden was established on February 7, 1966, by its founder Hidero Fujimoto as "Uni Electronics Corp". Uniden became a well-known brand in the 1970s by manufacturing and marketing millions of citizens band radios (CB), under the Uniden brand as well as other companies such as Midland and Realistic, which rebranded the equipment under their own labels.
Many UHF CB radios allow the user to scan channels to find a conversation. Several different scan modes may be provided: Open Scan scans all 80 channels to find an active conversation. Some radios allow skipping selected channels when scanning. Group Scan scans a small number of selected channels. For example, a caravanner travelling around the ...
Motorola T5320 FRS handheld radio. The Family Radio Service (FRS) is an improved walkie-talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band.
Five 2.8 kHz-wide channels are available in the U.S., centered on 5.332, 5.348, 5.368, 5.373, and 5.405 MHz. Since most radios in SSB mode display the (suppressed) carrier frequency, in USB mode the dial frequencies would all need to be set 1.5 kHz lower. Voice operation is generally in upper sideband mode, which is mandatory in the U.S. . The ...
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