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4 Overview
PA3 is a SIP broadcast module specially developed for the needs of industry broadcast
users. The media stream transmission adopts the standard IP/RTP/RTSP protocol. It integrates
multiple functional interfaces: broadcast and intercom. It can realize audio broadcasting by
connecting corresponding peripherals, and one-key call intercom and other practical functions.
It can adapt to multiple use environments and facilitate rapid device deployment. And the device
size is small, suitable for DIY applications of various integrated solutions.