Based on Siemens module MC388 or 389

Dual-band 900/1800MHZ

Wireless access to internet

Standard USB interface

3V movable SIM slot  
Maximum transmitting speed 115.2KBps

Double tone multi- frequency function (DTMF)
Send and receive SMS, data, e-mail and voice

Always on-line

Input voltage: 5V
Standby current: 10 mA

Working current: 200-300mA
Foldable and turnable antenna with high sensitivity

Working temperature: -20-+70

Storage temperature: -40-+80

Size:88*43*15mm
Weight: 38g

Accessories: USB extension cable, antenna, earphone, CD

2. Q2403A  AND  SIM600