Frequency band: 135–174 MHz Tuning range: 135–155, 138–160 MHz Channel bandwidth: 12.5 / 25 kHz, fixed Communication mode: half-duplex Sensitivity (at 12.5 kHz channel bandwidth): -115 dBm Maximum output power: 5 W Interface: RS-232, RS-485 or RS-422 Data rate (radio at 25 kHz channel bandwidth / serial interface): 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 × 80 × 56 mm Weight: 550 g Operating temperature: -40 °C to 75 °C Interface connector: D15, female Antenna connector: TNC, female Display: no Passive heatsink: yes NMS function: no Spatial diversity support: no IP rating: – Product Specification