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The SIM300/340 is a Tri-Band/Quad-Band GSM/GPRS solution in a compact plug-in module.

The leading features of SIM300/340 make it ideal for application, such as WLL applications and handheld devices.

 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 900/1800/1900 MHz or
Quad-Band GSM/GPRS 850/900/1800/1900 MHz
 GPRS multi-slot class 10/8
 GPRS mobile station class B
 Compliant to GSM phase 2/2+
 Class 4 (2W @ 850/900MHz)
 Class 1 (1W @ 1800/1900MHz)
 Dimension: 40mm x 33mm x 2.9mm
 Weight: 8 g
 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: -200 to +600
 Restricted operation temperature: -30 0C to -20 0C and +60 0C to +80 0C
 Storage temperature: -400C to +850C

Specifications for fax
 Group 3, class 1

Specifications for data:
 PBCCH support
 GPRS class 10: max. 85.6 Kbps (downlink)
 Coding schemes CS 1, 2, 3, 4
 CSD up to 14.4 kbps
 Non transparent mode

Specifications for SMS via GSM
 Point-to-point MO and MT
 SMS cell broadcast
 Text and PDU mode

Specifications for voice
 Half rate (HR)
 Full rate (FR)
 Enhanced Full rate (EFR)
 Hands-free operation (Echo suppression)

 Interface to external SIM 3V/1.8V
 Two analog audio interfaces
 RTC backup
 Serial interface and debug interface
 LCD interface
 Keypad interface
 Antenna connector and antenna pad