HX1-144.390-3 transmitter equivalent, vhf narrow band fm 300mw transmitter.
* Standard frequency: 169MHz band
* Other frequencies from 120MHz to 180MHz
* Data rates up to 3kbps
* Usable range over 10km
* Fully screened
* L.
where existing narrow band and wideband transmitters provide insufficient range. Together with the matching NRX1 or BiM1.
The HX1 transmitter consists of a frequency modulated Voltage Controlled Crystal Oscillator (VCXO) feeding a frequency doubler with two stage amplifier and RF filter. Final Power Amplifier stage is factory pre-set to appropriate band power level. Ope.
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