Origin	China
Brand Name	SIMCom

Product Name: SIM300/340

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+

     - Class 4 (2W @ 850/900MHz) 

     - Class 1 (1W @ 1800/1900MHz)

  • Dimension: 40mm x 33mm x 2.9mm

  • Weight: 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℃ to +60℃

  • Restricted operation temperature: -30 °C to -20 °C and +60 °C to +80 °C

  • Storage temperature: -40°C to +85°C

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

- Half rate (HR)

- Full rate (FR)

- 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