SIM900B EVB

SIM900B EVB, GSM GPRS GPS module, SIM900B DEVELOPMENT KIT

- 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
 
Drivers
- MUX Driver
 
Specifications for Voice
- Tricodec
  – Half rate (HR)
  – Full rate (FR)
  – Enhanced Full rate (EFR)
- Hands-free operation
（Echo suppression）
 
Interface
- Interface to external SIM 3V/ 1.8V
- analog audio interface
- RTC backup
- SPI interface
- Two Serial interfaces
- Antenna pad
- I2C
- GPIO
- PWM
- ADC
 
Compatibility
- AT cellular command interface
 
Approvals（planning）
- CE
- FCC
- ROHS
- PTCRB
- GCF
- AT&T
- ICASA