- Based on SIP2701 version, add transparent transmission serial port transparent transmission I/O function.
- Support for customisation
- 2 inputs and 2 outputs General Purpose I/Os
- 2 TTL level status outputs

- Standard SIP protocol
- Point-to-point SIP intercom off SIP server
- SIP protocol intercom module board

- Pin-type embedded module
- Standard SIP protocol
- Point-to-point SIP intercom

Support SIP protocol, TCP Play protocol, 20W speaker, POE module power supply, wall-mounted

​​SIP protocol support, audio processing capabilities, network and transmission characteristics, professional broadcasting functions, scalability and environmental adaptability, white