Grandstream IP Audio Door Access System AC Power not included TOF-2400-8V-4 The ER-X-SFP adds an optical

The ER-X-SFP adds an optical SFP port to support backhaul applications

Signaling: SIP (RFC 3261) over UDP/TCP/TLS

Dimensions 343 mm x 273 mm x 44 mm

and operating on 3GHz spectrum

Grandstream IP Audio Door Access System AC Power not included TOF-2400-8V-4 The ER-X-SFP adds an opticalThe Grandstream GDS3705 IP audio door system comes equipped with a zinc alloy metal casing, making it weatherproof and vandal resistant and offers alarm in and alarm out support for integration with existing security devices. The IP audio door system integrates with Grandstreams free management utility software, GDS Manager, allowing RFID card information, as well as the device itself to be fully managed by this software. Thanks to its integration