Plug and PlayNo power supply needed. There is no need to change any part of the original walkie-talkie, just take two handheld walkie-talkies. Use two hand-held walkie-talkie headset jacks to form a very practical small repeater through this relay box. ^^ ParametersPortable relay box is made of ABS.
Plug: K head, color: black, whether
it is two-way: yes, line
length: both sides are 90cm/ 35.4 in long (Left and right), distance: 5- from open space, 1-2 km from densely populated buildings. ^^ About Two-way Relay Box Plug Two-way relay box plug does not divide input/output, two-way
relay box forwarding mode: A machine receives B, B machine receives A. ^^ Two-way ForwardingWhen the A machine receiver, the B machine transmits. When the B machine receives, the A machine launches. The two-way forwarding function is achieved. ^^ Audio ModeThis relay box is an audio mode. When using it, the volume of the intercom as a receiving should be adjusted to the maximum! Single/two-way relay box frequency setting prompt.