Specifications:
5-18V power supply supported.
USB port can be very convenient.
Serial USB TTL compatible for 2.85V, 3.3V and 5v signal.
GSM, GPRS, GPS {text messaging, data transmission, positioning} triple function.
Quad-band communications, globally available. , AT command operation, can support
SMS, phone, GPRS data, GPS data is automatically output, embedded TCP protocol to
support transparent mode and command mode, supports HTTP protocol to support
DTMF decoding, support MMS, support recording function, and so on.
IPX antenna connector.
Reserved USB port (not solder) available for changing firmware. So you can update for
Bluetooth.
Quad-band 850/900/1800/1900MHz.
GPRS multi-slot class 10 standard.
GPRS mobile station class B standard.
Meet the GSM phase 2/2 + standards:-
Class 4 (2 W @ 850/900 MHz).
Class 1 (1 W @ 1800/1900MHz).
AT command control (GSM 07.07, 07.05 and SIMCom enhanced AT command set).
SIM Application Toolkit.
Supply voltage range:
GPRS: 3.2 ~ 4.8 V.
GPS: 3.0 ~ 4.5V.
Low power consumption.
Size: 30 * 30 * 3.2mm.
Weight: SIM908: 5.2g.
Working temperature: -40 ° Cto +85 ° C.
SMS.
Point MO and MT.
SMS Cell Broadcast.
Text and PDU mode.
Voice, Three kinds of rate.
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