SIMCOM SIM900A Modem with Casing-WI-321-D

Sim900a GSM/GPRS USB Modem, Featuring an industry-standard interface, the SIM900A delivers GSM/GPRS 900/1800MHz performance for SMS, Data, and Fax in a small form factor and with low power consumption, With Aluminum enclosure to minimize noise.

Specifications of SIM900A:-
Dual-Band 900/ 1800 MHz
GPRS multi-slot class 10/8
GPRS mobile station class B
SAIC (Single Antenna Interference Cancellation) support
Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
SIM application toolkit
internal Supply voltage range : 3.2 … 4.8V
External Supply voltage range : 9 … 12V DC
Low power consumption: 1.0mA(sleep mode&BS-PA- MFRMS=”9″ )
Operation temperature: -40°C to +85 °C
Specifications for GPRS Data:

GPRS class 10: max. 85.6 kbps (downlink)
PBCCH support
Coding schemes CS 1, 2, 3, 4
PPP-stack
Specifications for SMS via GSM/GPRS:

Point to point MO and MT
SMS cell broadcast
Text and PDU mode
Software features:
0710 MUX protocol
embedded TCP/UDP protocol
FTP/HTTP
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