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 virtually unlimited application, such as WLL applications, M2M applications, handheld devices and much more.

• 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: -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