Wireless Communication Expert

General features

Tri-Band GSM/GPRS 900/1800 MHz(SIM305) Quad-Band GSM/GPRS 850/900/1800/1900MHz(SIM345)
GPRS multi-slot class 8/10
GPRS mobile station class B
Compliant to GSM phase 2/2+
每 Class 4 (2 W @ 850/900 MHz)
每 Class 1 (1 W @ 1800/1900MHz)
Dimensions: 40 * 33 * 2.85 mm
Weight: 8 g
Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
SIM application toolkit
Supply voltage range 3.4 ... 4.5 V
Low power consumption
Normal operation temperature: -20 ～C to +55 ～C
Restricted operation temperature:
-30 ～C to -20 ～C and +55 ～C to +80 ～C
Storage temperature:-40 ～C to +85 ～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
每 Half rate (HR)
每 Full rate (FR)
每 Enhanced Full rate (EFR)
Hands-free operation (Echo suppression)

Drivers
MUX Driver

Interfaces
Interface to external SIM 3V/ 1.8V
60 Pins Board-to-board connector
Two analog audio interfaces
Keypad interface
LCD interface
RTC backup
AT commands via serial interface
Dual - serial interfaces
Antenna connector and antenna pad

Compatibility
AT cellular command interface

Approvals
FTA
Local Type Approval
CE
FCC

GPRS multi-slot class 8/10
GPRS mobile station class B
Compliant to GSM phase 2/2+
每 Class 4 (2 W @ 850/900 MHz)
每 Class 1 (1 W @ 1800/1900MHz)
Dimensions: 40 * 33 * 2.85 mm
Weight: 8 g
Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
SIM application toolkit
Supply voltage range 3.4 ... 4.5 V
Low power consumption
Normal operation temperature: -20 ～C to +55 ～C
Restricted operation temperature:
-30 ～C to -20 ～C and +55 ～C to +80 ～C
Storage temperature:-40 ～C to +85 ～C