Item Name: RC-108 Two Way Relay Walkie Talkie Repeater Box For Two Handheld Radio K Port. Product DescriptionRC-108 Two Way Relay Walkie Talkie Repeater Box For Two Handheld Radio Baofeng Wouxun Puxing K PortDescription:Handheld radios used currently on the market for basic use rate in 400-470MHz, most of the power 5W, this walkie talkie in open call distance can reach 5-8 km, while in dense urban, but only a short distance of 1-2 km, or less. In order to have long-distance communication, we need a repeater. Standard repeaters have a high cost, and can be complicated to install, so there was a need for a simple and inexpensive repeater. The operation is very simple, and no power supply needed, You do not need to change any part of the radio, All you need is just two handheld radios and connect the cables to the external mic/spk ports (2.5mm&3.5mm). using two handheld walkie talkie headset jack is composed of a very practical small relay station through the relay box.Details :Repeater For 2PCS Handheld Radio Two-way Relay: YESCable Length: 190cm in total of 2 cablesColor: Black as per pictureConnector: K Port For Kenwood and most brand radios with the same connectorFeature: Repeater Use For Walkie Talkie To Increase Talk Distance above 10KM, Two- way communication (receive and transfer )Install: Two Handheld Two Way Radios connect with repeater through earphone plug, as show in pictureWeightL 92gWorking mode1. The transponder downlink forwarding (differential and conventional relay station), a machine as a signal of uplink receiver, B machine as the signal downlink transmitter. Has reached the relay purposes.2.