Frequency:
UMTS: Double Band: 900/2100MHz;
GSM/GPRS: Dual-Band 850/900/1800/1900MHz

Output power (Conformity to Edition 99):
EGSM850: Class 4
EGSM900: Class 4
GSM1800: Class 1
GSM1900: Class 1
UMTS 2100, WCDMA FDD Bdl: Lass 3 (+24dBm +1/-3dB)
UMTS 1900, WCDMA FDD Bd VIII: Lass 3 (+24dBm +1/-3dB)

Interface:
Power control Input interface: USB_B type
Data Interface: Standard RS-232 interface
Antenna: SMA (Female)
SIM Socket: Drawer-design, easy to change UIM card.
Working status Indicator: LED
Working Power: DC6V~30V
SIM card: SIM 1.8V/3V

UMTS
3 GPP release 4
PS data rate: 384kbps DL/384kbps UL
CS data rate: 64kbps DL/64kbps UL

GSM/GPRS/EGPRS
Data transmission: Support GPRS /CSD
SMS: Support PDU and text.
Broadcasting: Support

Reset
Support soft-control reset.
Support hardware reset.

Weight & Size
Dimensions: 97mm*54mm*25mm
Weight: 108g