1.Specifications:
* Compatible transparent signal transmission for audio and data
* Double phase-lock loop, double VCO structure, high stability
* Carrier frequency: 230Mhz,  (150Mhz, 350Mhz expandable)
* Data rate: 1200/2400/4800bps
* Interface: TTL/RS-232/RS-485 optional
* Modulation: FSK/MSK
* Frequency stability: ±2.5ppm
* Channel spacing: 25 kHz
* Antenna impedance:  50Ω TNC
* Temperature:  -20~+60℃
* Supply voltage: 12V
* Size: 98×58×18mm
 
2.Receiver:
* Receiving sensibility:       ≤-119dBm(12dB SINAD)
* Adjacent channel selectivity: ≥65dB
* Intermodulation rejection:    ≥60dB
* Clutter and images rejection: ≥65dB
* Quiet current:   ≤50mA
 
3. Transmitter:
* RF power:   ≤5W
* Frequency deviation:   ≤±5.0kHz
* ADJACENT CHANNEL POWER: ≥65dB
* Transmitting current:   ≤1.6 A
* Power supply: 12V DC