Frequency band: 135 - 174 MHz Tuning range: 135 - 155, 138 - 160 MHz Channel spacing: 12.5 / 25 kHz, fixed Communication mode: half-duplex Receiver sensitivity (12.5 kHz channel): -115 dBm Maximum output power: 5 W Interface: RS-232, RS-485, or RS-422 Data transfer rate (Radio / Serial interface, 25 kHz channel): 19,200 bps / 38,400 bps Operating voltage: 9 - 30 VDC Power consumption (Rx / Tx): 1.7 W / 6.6 W @ 1 W, 22 W @ 5 W Dimensions: 137 x 67 x 29 mm Weight: 265 g Operating temperature: -40 °C to 75 °C Interface connector: D15 female Antenna connector: TNC female Display: no Passive heatsink: no NMS function: no Spatial diversity capability: no IP rating: - Product Specification