Single Household Door Intercom | Communication Products Supplier | GAINWISE

Single Household Door Intercom manufacturer - GAINWISE. GSM Single household doorbell supply - Traditional intercom system must include the door station and home station, And Important is you need to spend money for wire cost and wiring cost between them. We embed the GSM/WCDMA module into the door station. Let users answer the door and talk with the visitor from any location. Easy installation and important they do not need to pay any cost for wire and wiring. The wireless intercom system can make audio call or video call via WCDMA network and user can open the door via DTMF tone during the call. Additional users can open the door through their mobile phone without fee. 25 years manufacturer of EN 301 511 and CE certified 4G video intercom, 4G smoke detector and other related communication products with security and communication solutions. Main communication product, including door intercom, GSM/3G access controller, GSM fixed wireless terminal, wireless smart home, GPS tracking, GSM 4G smoke detector, GSM / 3G modem & router, wireless service bell intercom and so forth.