Features 1、Power Amplifier: The transmission frequency is 400‑470MHz, and the receiving frequency is 50‑1000MHz, half duplex working mode. 2、Easy Modulation: Supports various modulation modes, including DMR, C4FM, DPMR, CW, FSK, P2S and FM, very reliable and useful. 3、Smart Indicator: Equipped with 2 colour LED indicator, green indicates standby status, while red indicates transmission status. 4、Metal Housing: Black anodized aluminium alloy shell is anti corrosion and rustproof, which has great durability for long using. 5、Simple Wiring: Comes with RF IN port as well as RF Out port for connecting an external antenna, the antenna is not included. Specification Item Type: RF Amplifier Material: Aluminium Alloy Application: Digital RF Power Amplifier Input Power: 1-5W Modulation Mode: DMR, C4FM, DPMR, CW, FSK, P2S, FM Transmission Frequency: 400-470MHz Receiving Frequency: 50-1000MHz Working Mode: Half Duplex (cannot receive and transmit at the same time). Receiver Loss: -1DB±0.4 Output Power: 80W Power Supply: DC 10-14V Standby Current: 10-30MA Cooling Method: When the temperature exceeds 40 ℃, the cooling fan works. Package List 1 x RF Amplifier 4 x Rubber Pad 1 x Cable