SIM Tech SIMCom SIM868 Series User Manual

Smart Machine Smart Decision
SIM868_Series_Hardware_Design_V1.06 11 2017-07-13
2.1. SIM868 Key Features
Table 1: Key Features of GSM Part
Feature Implementation
Power supply 3.4V ~4.4V
Power saving Typical power consumption in sleep mode is 0.65mA (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 protocols 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
FLASH 32Mbit
RAM
32Mbit
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:
SIMCOM CONFIDENTIAL FILE

SIM Tech SIMCom SIM868 Series Specifications

General

Brand	SIM Tech
Model	SIMCom SIM868 Series
Category	GSM/GPRS Modules
Language	English