Product Introduction
The AFT-YZ-01 SIP waterproof sound column shell is made of all aluminum magnesium alloy, with a generous overall design. It is suitable for high-power call alarm audio devices in rural broadcasting, port terminals, mines, metallurgy and other lifting equipment, especially suitable for rural open broadcasting, high-altitude and noisy environments on site. Through practical application, it has played a very important role in coordinating work, equipment alarm calls, and protecting personal safety.

Product features
1. Equipped with AC220V and DC24V power supplies and built-in 60W digital power amplifier
2. Adopting industrial grade ARM architecture chip, stable and reliable, supporting WEB login access and configuration tool configuration management
3. Supports SIP 2.0, TCP/IP, UDP, DHCP
4. File playback: Delay less than 50ms
5. Real time speech: delay less than 150ms
6. Network latency less than 50MS
7. Voice activation detection/mute suppression
8. Automatic detection and protection function for short circuit, overheating, and overload
9. Compatible with standard SIP (RFC3261) protocol and can access mainstream IP PBX/IMS platforms