SIM4100 is a dual-mode TD-SCDMA module which works at 2010-2025MHz on the TD-SCDMA mode and Tri-Band 900/1800/1900MHz on the GSM mode. The leading features of SIM4100 make it ideal for virtually unlimited applications, such as WLL applications (Fixed cellular terminal), M2M applications, handheld devices, PC card and much more.
AMR voice
SMS/MMS
PS: Uplink (up to 128Kbps)
Downlink (up to 384Kbps)
Average idle current: 8mA
Board interface: 80pin B2B connector
Based upon mature and field-proven platform, backed up by SIMCom support service, from definition to design and production

General features
TD-SCDMA 2010-2025MHz
Tri-Band GSM/GPRS 900/1800/1900MHz
Compliant to 3GPPclass B +24dBm
Dimension: 61.0mm x 34.0mm x 3.0mm
Weight: 15g
AT commands (GSM07.07, 07.05, 3GPP and SIMCom enhanced AT commands)
SIM application toolkit
Battery voltage range: 3.4V to 4.5V
Low power consumption
Normal operation temperature: -20 ° C to +60 ° C
Restricted operation temperature: -30 ° C to -20 ° C and +60 ° C to +80 ° C
Storage temperature: -40 ° C to +85 ° C

Specifications for PS
128/384 Kbps support
CSD 64Kbps
USSD
PPP stack
TCP/IP stack

Specifications for voice
AMR
Internal amplifier for 8ohm speaker

Interfaces
USIM interface 3V/1.8V
Two differential analog audio interfaces
USB 2.0
I2C
PCM
USC
GPIO
Keypad interface: 5*5
LCD interface: SPI
RTC backup
AT interface with flow control
Debug interface
Antenna connector and antenna pad