Grandstream Networks GDS3705 IP Audio Door System with Keypad

HD audio options with up to 1.5m of audio input and 3m of audio output Built-in RFID chip reader for keyless entry Supports SIP calls to IP phones to facilitate communication Built with a metal casing to make it weatherproof and vandal resistant Integrated PoE to power the device and provide a network connection Built-in dual microphone and HD loudspeaker with advanced AEC offers intercom functionality IP Audio Door System The GDS3705 was built for users looking for a strong audio-only facility access and security monitoring solution.