GRANDSTREAM GDS3705

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
datasheet_gds3705_english