1) Good news transmission2) Vivid chord ring3) Absolute industry-class design4) Stable performance and superb quality This phone has the features of a strong reception signal, clear conversationalvoice, long duration of work and stable performance. This phone enables the carrierto extend the fixed phone, express line and special applications economicallyand flexibly, especially suitable for public wireless service, enterprise wirelessconnection service, wireless communication at the backwoods or out-of-the-wayplaces, communication service in mobile vehicle such as steam ship and train and wireless desktop phone service.Function features:1 Blue wide-screen2 Incoming number display3 In the same screen display the signal strength, battery capacity, date, time4 Vocal number annunciation and 16-chord ring5 Automatically add the district number and IP to dialing 6 Number album functions: edition, storage, search, callback of 32 numbers7 Storage, search, callback of 32 out-and-in calls; Storage, search and callback of 32 unreceived numbers 8 Restriction function: able to restrict dialing transnational long-distance calls and all calls Specification:1 Frequency: GSM: 900/1,800/1,900MHz; CDMA: 800/1,900MHz2 Peak power: 0.25W/0.5W3 Receiving sensitivity: -104DBM4 Environmental noise: 5 Antenna gain: 5.0dB (all direction) / 12dB (fixed direction/accessories)6 3.6V/1,600mAh high-performance chargeable Li battery producing area:China