The SIM300D/340D is a complete Tri-Band/Quad-Band GSM/GPRS solution in a SMT module.

SIM300D/340D with a tiny configuration can fit almost all the space requirements in your industrial applications, especially for slim and compact handset applications.

SMT type suit for customer applications
An embedded Powerful TCP/IP protocol stack
Based upon mature and field-proven platform, backed up by our support service, from definition to design and production

General features:
Tri-Band GSM/GPRS 900/1800/1900MHz or Quad-Band GSM. GPRS 850/900/1800/1900MHz
GPRS multi-slot class 10/8
GPRS mobile station class B
Compliant to GSM phase 2/2+
Class 4 (2W @ 900MHz)
Class 1 (1W @1800/1900MHz)
Dimensions: 33mmx33mmx3.0mm
Weight: 7.8g

Control via AT commands (GSM 07.07, 07.05 and SIMCom enhanced AT Commands)
SIM application toolkit
Supply voltage range: 3.4V - 4.5V
Low power consumption
Normal operation temperature:
-20 degree to +55 degree
Restricted operation temperature:
-30 degree to -20 degree and +55 degree to +80 degree
Storage temperature:
-40 degree to +85 degree