China factory supplier 2G color 1.77 inch screen handheld style GSM850/900/1800/1900Mhz Fixed wireless desk phone

Tech.
Standard:GSM
Work frequency:GSM 900MHz/1800MHz
The sensitivity :GSM900M:>-105dBm;DCS1800M:>-104dBm
Max Transmission:33±2dBm

Function Support: Calls ,SMS

Interface port : USB

LCD Screen:1.77 INCH color screnn

AC INPUT:100V~240V
DC OUTPUT:5.00V,1A

SIZE(W×D×H):200×180×60mm
Unit Weight:<800g(with battery)

Battery 3.6V 7200mAh,1000mAh(optional)
Call time:About 3hours(7200mAh battery
Standby time:150hours(7200mAh)
 

Applications: Home ,Office ,Outdoor (highspeed road ,Rescue-sites....)

Packing list
Phone Device ,handset,line,battery,power adapter,Antenna, Manual

OEM &ODM