SpectrumDynamic Waterfall Display     MultipleWorking Modes: Receive Mode, Transmit Mode, TUNE Mode,     VFOMode, SPLIT Mode DSP Digital Signal Processing Noise Reduction     AutomaticNotch Filter     HumanizedInterface Color Display     ReceiveFine Tunin

A boutThe General Mobile Radio Service (GMRS) is a licensed radio service that uses channels around 462 MHz and 467 MHz. The most common use of GMRS channels is for short-distance, two-way voice communications using hand-held radios, mobile radios and rep

Fesmtek repeater system is    designed to extend coverage    without adding new BTS and new    frequencies. The system is for both    critical and non-critical    communications, allowing users to    live notification, respond quickly,    and remote contr

Table Notes    (1) Shared FRS and GMRS simplex.    (2) Shared FRS and GMRS simplex; GMRS repeater output.    (3) GMRS repeater input. The output frequency of this repeater input is the input frequency minus 5 MHz.    (4) FRS transmissions are limited to b

ABOUT ANNTEL LAB TESTINGHarmonic testThe power of each unwanted or spurious emission of general purpose radio equipment operating must be reduced from the maximum transmit power (P) of the audio by: At least 25 dB for any frequency away from more than 50%

A two-way radio is a radio that can both transmit and receive radio waves (a transceiver), unlike a broadcast receiver which only receives content. It is an audio sound transceiver, a transmitter and receiver in one unit, used for bidirectional person-to-

Why choose walkie-talkies for outdoor travel? What kind of walkie-talkie is generally suitable?     The first choice for outdoor walkie-talkies should be considered to be able to be drenched by rain, or a higher level can adapt to flooding waterproof IP67

Q: What walkie talkie should I buy for hiking and mountain climbing?    A: First, you should have at least one national unlicensed interphone (409mhz, 0.5W transmitting power, 20 channels), the city's connectivity distance is about 500 meters, and the

Surnrnary of Content    1 Press PII throughout Transmisson    2 . Hold Microphone 2-5 cm from mouth    3 . Talk past microphone - not straight into    4 . Dont rattle the microphone    5 . Avoid noise around microphone    6 . Speak clearl

Q: What walkie talkie should I buy for hiking and mountain climbing?    A: First, you should have at least one national unlicensed interphone (409mhz, 0.5W transmitting power, 20 channels), the city's connectivity distance is about 500 meters, and the

FRS Low cost    But when all else fails, radio still works.    To be effective, we need to learn Emergency Radio Communications!    FRS No license required.    22 FRS channels available since April 2017 .    Many FRS radios only work on Channels 8-14 but