More simple inner circuit , reaonable wiring. Transceiver auto conversion, no need PTT signal 2. High low power level setting. When it's high level, the switch red LED will light. Prompting the customer that it's the large power output now.Power switch is on, the switch red LED lights. Other lights and circuits will be connected. The normal color is green, it's receive mode. When you press PTT button, the LED becomes red, it's transmit mode. For panel, the last LED is red prompt indicator. When the temperature is too high, the LED will light and the fan will rotate.
When the temperature gets normal, the LED will go out and fan stops. VHF:130MHz-170MHz(enure output power is above 50W) UHF:400MHz-470MHz(enure output power is above 50W) 2. VHF:high level:50W;low level:20W UHF:high level:50W;low level:20W 3.Current range: VHF band working current. Usually it cost about 35USD-50USD. If you receive defective item, please kindly notify us within 14 days. The item "50W UHF/VHF Walkie-talkie Power Amplifier 400MHz-470MHz 130MHz-170MHz" is in sale since Tuesday, June 5, 2018. This item is in the category "Industrial\Test, Measurement & Inspection\Signal Sources & Conditioning\Other Signal Sources & Conditioning". The seller is "buyfromtzt" and is located in Shenzhen. This item can be shipped worldwide.