high quality sim slot gsm cdma usb modem support imei change,bulk sms,mms,voice

Model NO.	GS81
Module	V8
Network	GSM
Frequency	GSM850,EGSM900,DCS1800,CS1900MHz
Max Transmit Power	Class 1(1W):DSC1800,PCS1900 Class 2(2W):GSM850,EGSM900
SIM Port	1 x SIM card(big/small) slots
SMS quantity	Send 600/800/1000/1200 SMS per hour by one port
SIM port	Big card:85*53mm , small card:25*15mm, 1.8V or 3V
Port	USB2.0/PCI
Headset	support(Φ3.5mm)
Call function	support
Call forwarding	support
SMS/MMS	support
IMEI changeable	support
Internet	Wireless Access to internet
	With TCP/IP stack
	Internet Services: PPP,TCP, UDP, FTP,HTTP, SMTP, POP3
	AT command
PC System	Windows2000,Windows XP,Windows Vista,Windows 7,WinCE 4.2,WinCE 5.0,WinCE 6.0,Linux,MAC
Input voltage	DC 12V~24V
Working temperature	-20℃~+70℃
Storage temperature	-40℃~+85℃
Size	220*120*114mm
Package size	27*21*17.1cm
Housing	Aluminum Casing
Weight	3.0kg
Accessories	AC/DC adapter, USB cable/PCI card, Antennas and driver

Tel:0086-020-32211859

Fax:0086-020-32029339

Email:sales06@gzqida.com/melody@gzqida.com

Skype:sales06@gzqida.com

website:www.gzqida.com