Manufacturer GSM Phone, Table SIM Card GSM Desktop Phone

Working requency:GSM 850/900/1800/1900 MHzOEM Service:LOGO silk printing,user manual,gift box,IMEI,SN Label,and Language menu designEtross-6588 is GSM Fixed wireless phone that support SMS and FM Radio,just insert GSM mobile sim card to make and receive calls,no need plug phone line cable.Features:1.MTK Chipset2.FM Radio,SMS,Voice Mail support;3.Green Backlight4.Single/Dual SIM optional.5.Caller ID Display;6.Support high quality voice (speech encoding FR, EFR, HR, AMR);7.Support emergency call,redial,speed dial;hands free8.Support three-way conference call;9.Call in / Call out /Call divert/ Call waiting limitation function10.Language:English,Spanish,Russian,French,Arabic and Burmese etc.11.Large pone book: store 300pcs telephone numbers;12.Save more than 100 SMS on the phone;13.Storage 20 missed call or received calls and the last ten dialed number14.Default IP function optional;15.Local No. / direct No. / limited No. Setting;16.Speaker Phone17.Micro USB interface for charging and firmware upgrade18.Lock up function:SIM card,network,cell and operated company19.7-level headphone volume and silence adjustable20.Low-power indicator21.Support STK111422.Packing Size (cm): 25*18*623.Color:Black/White(optional)24.Integrated or TNC detachable antenna (optional)Operating Requirements:1. Normal operation temperature: -30 ---70Restricted operation temperature: -30 ---80Storage temperature: -40 ---852. Environment noise: Below 60dB(A)3. Support SIM Card 1.8V/ 3V4. Channel interval: 200KHz5. Receive sensitivity: