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RETEVIS NEWS

NOAA Frequencies

All NOAA Weather Radio stations broadcast on one of seven frequencies in the VHF Public Service band: 162.400 megahertz (MHz), 162.425 MHz, 162.450 MHz, 162.475 MHz, 162.500 MHz, 162.525 MHz, and 162.550 MHz.  ...

Read more  N0AA weather radios,  NOAA Frequencies

What does PMR446 stand for

The letters PMR stand for Private Mobile Radio and the number 446 relates to the frequency band 446Mhz (UHF), which these radios use to communicate.  ...

Read more  PMR446,  licence free radios

How To Choose the Right Speaker Microphone for Your Two-Way Radio

How To Choose the Right Speaker Microphone for Your Two-Way Radio  ...

Read more  bluetooth speaker with microphone

digital portable radio

Digital two-way radios provide one-to-one communications, expanding channel capacity, and in some cases, are being mandated by the FCC  ...

Read more  digital portable radio,  retevis RB22

RT97+RB23 experience better range

RT97+RB23 experience better range.  ...

Read more  RT97,  RB23

Can anyone use a marine VHF radio?

To operate a marine VHF radio you must hold a valid operator certificate or be monitored by someone who does.  ...

Read more  marine radio,  marine radio FAQ

What is a Whip Antenna?

What is a Whip Antenna?  ...

Read more  Whip Antenna

What is DSC?

DSC uses digital data to transfer information between radios. Using this mechanism provides several important benefits including increased volume and accuracy of data and the ability to direct the information to specific addressees.  ...

Read more  marine radio,  marine radio FAQ,  DSC,  retevis RM20

when were walkie talkies invented?

The walkie-talkie was first invented in 1937 by the Canadian Don Hings, The devices were known as ‘walkie-talkies’ and were first created to help pilots communicate effectively.  ...

Read more  The history of walkie talkie
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