The SIM305/345 is a complete Dual-band/Quad-band GSM/GPRS solution in a compact plug-in module.

Featuring an industry-standard interface, the SIM305/345 delivers GSM/GPRS 850/900/1800/1900MHz performance for Voice, SMS, Data, and Fax in a small form factor and with low power consumption.

The leading features of SIM305/345 make it ideal for M2M applications such as AMR, AVL, Security.General features   • Dual-Band GSM/GPRS 900/1800MHz or Quad-Band GSM/GPRS 850/900/1800/1900MHz   • GPRS multi-slot class 10   • GPRS mobile station class B   • Compliant to GSM phase 2/2+      – Class 4 (2 W @ 850/900MHz)      – Class 1 (1 W @ 1800/1900MHz)   • Dimension: 58mm x 32mmx 3.9 mm   • Weight: <12g   • SIM application toolkit   • Supply voltage range 3.4 ... 4.5 V   • Low power consumption   • Normal operation temperature: -30°C to +80°C   • Restricted operation temperature: -40°C to -30°C and +80°C to +85°C   • Storage temperature: -45°C to +90°C

Specifications for fax   • Group 3, class 1

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

Specifications for SMS via GSM / GPRS   • 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 cancellation   • AMR      – Half rate (HR)      – Full rate (FR)

Interfaces   • Interface to external SIM 3V/1.8V   • 60 Pins Board-to-Board connector   • Two analog audio interfaces   • SPI/I2C interface   • RTC backup   • Two UART interfaces   • Antenna connector and antenna pad