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 applications 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+
�V Class 4 (2W @ 850/900MHz)
�V 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: -20�J to +60�J
? Restricted operation temperature: -30 �XC to -20 �XC and +60 �XC to +80 �XC
? Storage temperature: -40�XC to +85�XC

Specifications for fax
? Group 3, class 1

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

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

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

Interfaces
? 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