It is suitable for all U-segment intercoms and digital transmission equipment on the market, and can perfectly support digital DMR, DPMR, P25, C4FM, SFK frequency hopping. And traditional linear simulation mode. Working mode: half duplex (cannot be received in the transmitting state). Receive loss: -1DB ±0.4.Cooling method: housing + heat sink for natural heat dissipation, low noise and quiet. The red wire is connected to the positive pole of the power supply +12V, with the black wire connected to the negative pole of the power supply. The small SMA threaded port is connected to the intercom through the cable, and the large M head is connected to the transmitting antenna. Please make sure it is correct. We believe our items are so outstanding.
All products are quality checked. We will be happy to resolve any issues you may have in a cordial and friendly manner.We appreciate your Postive Feedback, and will do the same in return. The item "50W UHF 400-470MHZ RF Power Amplifier Walkie Talkie DMR DPMR P25 C4FM SFK Analog" is in sale since Wednesday, November 14, 2018. This item is in the category "Consumer Electronics\Radio Communication\Ham, Amateur Radio\Ham Radio Amplifiers". The seller is "flyxy2015" and is located in ShenZhen ,Guangdong. This item can be shipped worldwide.