SIMcom SIM800A GSM dual frequency brand

Description 

• SIM800A is a dual-band GSM/GPRS module , packaged in SMT
• Its stable performance, small appearance, high cost performance, can meet the various needs of customers.
• The operating frequency of SIM800A is GSM/GPRS 900/1800MHz , which can realize the transmission of voice, SMS and data information with low power consumption
• SIM800A which can be suitable for various compact product design requirements.

 Main features 

• Dual frequency 900/1800MHz
• GPRS multi-slot class 12/10
• GPRS mobile station class B
• Meet the GSM 2/2+ standard
• – Class 4 (2W @900MHz)
• – Class 1 (1W @1800MHz)
• Weight: 3.1g
• Controlled by AT commands ( GSM 07.07, 07.05 and SIMCOM enhanced AT command set)
• SIM Application Toolkit
• Supply voltage range: 3.4 ~ 4.4V
• Low power consumption
• Operating temperature range: -40 ℃ ~ 85 ℃

data transmission

• GPRS class 12 : Maximum 85.6 kbps (downlink rate)
• Support PBCCH
• Coding schemes CS 1, 2, 3, 4
• PPP-stack
• CSD up to 14.4 kbps
• USSD
• Non-transparent

Short message

• Point-to-point MO and MT
• SMS broadcast
• Text and PDU mode

Software features

• 0710 MUX protocol
• Embedded TCP/UDP protocol
• FTP/HTTP
• MMS
• Email
• DTMF detection
• Interference detection
• Recording
• SSL
• TTS Chinese ( optional )
• Bluetooth 3.0 ( optional )

voice

• -Tricodec
• - half rate ( the HR )
• - Full Rate ( FR )
• - Enhanced Full Rate ( EFR )
• -AMR
• - half rate ( the HR )
• - Full Rate ( FR )