Grandstream GDS3705 is an access and security monitoring audio door phone, it also features dual microphones and HD loudspeaker with advanced AEC to offer intercom functionality. Grandstream GDS3705 supports SIP calls to IP phones and has a built-in RFID chip reader and keypad for secured.
Grandstream GDS3705 Audio Door Phone
Built-in RFID chip reader for keyless entry
Supports SIP calls to IP phones to facilitate communication