Frequency band: 403 – 473 MHz Tuning range: 70 MHz Channel spacing: 12.5, 20, 25 kHz Maximum output power: 1 W Receiver sensitivity: -115 dBm Interface: CMOS-UART Data transfer rate (Serial interface): 115200 bps Data transfer rate (Radio interface): 28800 bps Operating voltage: 3.8 – 5.5 VDC Power consumption: TX: 1 W, RX: 0.94 W Antenna connector: HIROSE U.FL Dimensions: 57 x 36 x 6.9 mm Weight: 20 g Operating temperature: -30 °C – 70 °C Product Specification