- No installation required, just plug in and press to talk; FM 462 MHz wireless signal voice transmission and reception via air - Station label for quick identification of designated stations. Easy to set up your designated station - Just press and hold the Channel Button until you hear a beep tone sounds and Button LED lights (Note : All units are set with Channel 1 by default. User is required to switch the default channel to the desirable channel.) - 10 channels operation : 9 channels for calling/talking individual rooms separately; plus 1 common channel for CALL ALL* talking/paging --- you may talk/page all of the rooms at the same time .
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