4G Digital Gooseneck intercom. With a built-in keypad for entry via password it allows for a diverse setup with regards to access control and door entry. The panel is made of stainless steel and the product is built with high-quality and durable buttons and water resistant speaker and microphone.
SS1401D2 product is 3G Digital GSM Access Control. It mainly uses the 3G network. The main function can use keypad to enter the password to open the door. Different password can open different door locks, can control a total of two locks. Other features: Use the phone to open the door (it will turn off the call to avoid the cost). It can also send SMS to open the door.