User's Manual

Smart Machine Smart Decision
SIM868_Hardware_Design_V1.00 11 2016-06-20
Feature Implementation
Power supply 3.4V ~4.2V
Power saving Typical power consumption in sleep mode is 0.65 mA (AT+CFUN=0 )
Frequency bands
 Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900. SIM868 can search
the 4 frequency bands automatically. The frequency bands can also be set by
AT command “AT+CBAND”. For details, please refer to document [1].
 Compliant to GSM Phase 2/2+
Transmitting power
 Class 4 (2W) at GSM 850 and EGSM 900
 Class 1 (1W) at DCS 1800 and PCS 1900
GPRS connectivity
 GPRS multi-slot class 12（default）
 GPRS multi-slot class 1~12 (option)
Temperature range
 Normal operation: -40°C ~ +85°C
 Storage temperature -45°C ~ +90°C
Data GPRS
 GPRS data downlink transfer: max. 85.6 kbps
 GPRS data uplink transfer: max. 85.6 kbps
 Coding scheme: CS-1, CS-2, CS-3 and CS-4
 PAP protocol for PPP connect
 Integrate the TCP/IP protocol.
 Support Packet Broadcast Control Channel (PBCCH)
USSD  Unstructured Supplementary Services Data (USSD) support
SMS
 MT, MO, CB, Text and PDU mode
 SMS storage: SIM card
SIM interface Support SIM card: 1.8V, 3V
External antenna Antenna pad
Audio features
Speech codec modes:
 Half Rate (ETS 06.20)
 Full Rate (ETS 06.10)
 Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80)
 Adaptive multi rate (AMR)
 Echo Cancellation
 Noise Suppression
Serial port and
USB port
Serial port:
 Default one Full modem serial port
 Can be used for AT commands or data stream
 Support RTS/CTS hardware handshake and software ON/OFF flow control
 Multiplex ability according to GSM 07.10 Multiplexer Protocol
 Autobauding supports baud rate from 1200 bps to 115200bps
 upgrading firmware
USB port:
 Can be used for debugging and upgrading firmware
Phonebook management Support phonebook types: SM, FD, LD, RC, ON, MC
SIM application toolkit GSM 11.14 Release 99
Physical characteristics
 Size:17.6*15.7*2.3mm
 Weight:1.5g
Firmware upgrade Full modern serial port or USB interface (recommend to use USB port)