Description :  Walkie Talkie Repeater Box for Handheld Two Way Radio Baofeng Wouxun Puxing Zastone<br>  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.  <br> Features :<br>  The frequency of most of the handheld walkie-talkies on the market is 400-470MHz， and the max output power is 5W. This makes the effective talking range about 5-8KM(only in wide-open area). In some areas such as in the city with tall buildings， the range is only 1-2 km， or less. 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&amp;amp;3.5mm).<br>  <br> Package includeds :  1 x Repeater with K Port<br>  <br> Details pictures :