詳細描述：
SIM800A is a complete Dual-band GSM/GPRS solution in a SMT type, which can be embedded
in the customer
applications.
SIM800A supports Dual-band 900/1800MHz, it can transmit Voice, SMS and data information with
low power
consumption. With tiny size of 24*24*3mm, it can smoothly fit into slim and compact demands of
customer design.
General features
?Dual-band 900/1800MHz
?GPRS multi-slot class 12/10
?GPRS mobile station class B
?Compliant to GSM phase 2/2+
–Class 4 (2 W @900MHz)
–Class 1 (1 W @1800MHz)
?Dimensions: 24*24*3mm
?Weight: 3.1g
?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
?PPP-stack
?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
?TTS_CN (optional)
?Bluetooth 3.0 (optional)
Specifications for voice
?Tricodec
–Half rate (HR)
–Full rate (FR)
–Enhanced Full rate (EFR)
?AMR
–Half rate (HR)
–Full rate (FR)
?Hands-free operation (Echo suppression)
Interfaces
68 SMT pins including
?Analog audio interface
?RTC backup
?USB interface
?Serial interface
?Interface to external SIM 3V/1.8V
?GPIO
?ADC
?PWM
?I2C
?GSM Antenna pad
?Bluetooth Antenna pad
Compatibility
?AT cellular command interface
Certifications
?ROHS
?REACH