SIM800A (hàng chính hãng)

General features:
• Two frequency 900/1800MHz
• 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: 24*24*3mm
• Weight: 3.1g
• Control via AT commands
(GSM 07.07 ,07.05 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
• PPP-sta
• CSD up to 14.4 kbps
• USSD
 

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
• FTP/HTTP
• MMS
• POP3/SMTP
• DTMF
• Jamming Detection
• Audio Record
• SSL
• Bluetooth 3.0 (optional)
 

Compatibility:
• AT cellular command interface

Interfaces:

• 68 SMT pads including
• Analog audio interface
• RTC 
• Serial interface
• USB interface
• Interface to external SIM 3V/1.8V
• PWM
• I2C
• GPIO
• ADC
• GSM Antenna pad
• Bluetooth Antenna pad
  

Specification for Audio: 

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