Protable Wireless Terminal GSM Desk Phone SIM Card Mobile Desktop Telephone  Specification:Operating Frequency : GSM900MHz and GSM1800MHzOutput Power : GSM900 way : Class 4 (2W)GSM1800 mode : Class 1 (1W)Working Temperature : 0 ~ 55 degreeRelative Humidity : 5 % to 95%Adapter Input Voltage: AC 50Hz, 220V +10%Backup Battery: Ni-MH battery ,1000 mAhStandby Time : 48-72 hours , depending on the network status may be ( battery power )Talk Time: 2-6 hours, depending on the network status may be ( battery power )Charging Time: for the first time more than 12 hours , after 6 hoursShell Material: PlasticSize: about 20x15.4x4.9cmColor: Black Features:-- Support short message-- Large -capacity phone book ( 200 PCS)-- Second support DTMF dialing-- User personalization volume setting-- Support sung live ring tones-- Provide the screen backlight-- Support emergency call service
-- TNC antenna interface can be connected to an indoor antenna-- Standard TNC antenna interface can be connected to the indoor and outdoor antenna
-- ETS3125i GSM cordless wireless desk phone-- It has caller ID, call history , call dial the area code and hands free function-- High-quality voice services (FR, EFR, HR speech coding)-- Supplementary services: such as emergency calls, caller ID, call forwarding, call waiting, call hold, three-way calling Package Included:1X Wirelss Desk Telephone1X DC adapter