Cordless Phone Desktop Telephone Support GSM 850/900/1800/1900MHZ Dual SIM Card 2G Fixed Wireless Phone with Antenna Radio AlarmSPECIFICATIONS Brand Name: Aibecy Choice: yes Origin: Mainland China Voice Mail: Yes Wire Type: Corded Features: Fixed Wireless Phone Our Desk Phone support dual SIM cards and several GSM frequency including 850 900 1800 1900MHZ and 2G network as well. Multi function phone It can speed dial, record 50 groups of call records for your convenience and other regular functions. In addition to the regular functions, there are radio, alarm clock functions. A