Wireless Modules GSM/GPRS Module


  • 2G(GSM/GPRS )
  • Quad-Band 2G
  • SMT
  • TTS
  • MMS
  • Jamming Detection
  • USB
  • Industrial Interface
  • Serial interface
  • SIM Access Profile
  • RLS Monitoring
  • Antenna Diagnostics
SIM800C-DS Introduction

SIM800C-DS is a complete Quad-band GSM/GPRS solution with LCC and LGA pads, support Dual-SIM, which allows customers to use two SIM cards in one device simultaneously.

SIM800C-DS supports Quad-band 850/900/1800/1900MHz, it can transmit Voice, SMS and data information with low power consumption. With tiny size of 17.6*15.7*2.3mm, it can smoothly fit into slim and compact demands of customer design.


General features
•Quad-band 850/900/1800/1900MHz
•GPRS multi-slot class 12/10
•GPRS mobile station class B
•Compliant to GSM phase 2/2+
–Class 4 (2 W @ 850/900MHz)
–Class 1 (1 W @ 1800/1900MHz)
•Dimensions: 17.6*15.7*2.3mm
•Weight: 1.3g
•Control via AT commands
(3GPP TS 27.007, 27.005 and SIMCom enhanced AT Commands)
•Supply voltage range 3.4 ~ 4.4V
•Low power consumption
•Operation temperature:-40℃~85℃
Specifications for GPRS Data
•GPRS class 12: max. 85.6 kbps (downlink/uplink)
•PBCCH support
•Coding schemes CS 1, 2, 3, 4
Specifications for SMS via GSM/GPRS
•Point to point MO and MT
•SMS cell broadcast
•Text and PDU mode
Software features
•0710 MUX protocol
•Embedded TCP/UDP protocol
•Jamming Detection
•Audio Record
•TTS_CN (optional)
Specifications for voice
–Half rate (HR)
–Full rate (FR)
–Enhanced Full rate (EFR)
–Half rate (HR)
–Full rate (FR)
•Hands-free operation (Echo suppression)        
77 SMT pins including
•SIM Card Interfaces (Dual Standby)
---SIM card 1: 3V/ 1.8V
---SIM card 2: 3V/ 1.8V
•Analog audio interface
•RTC backup
•I2C interface
•USB interface
•Serial interface
•GSM Antenna pad
•AT cellular command interface
• CE


Application Note
AT Command
Hardware Design