![Cyberdata SIP Dual Relay Controller 011484 Cyberdata SIP Dual Relay Controller 011484](https://voip.com.vn/37150-large_default/cyberdata-sip-dual-relay-controller-011484.jpg)
Cyberdata SIP Dual Relay Controller 011484
The Cyberdata SIP Dual Relay Controller is a two-in-one SIP notification device and SIP secure access device that helps to lock and unlock doors, as well as create a preprogrammed notification based on a trigger such as heat or humidity.