SIM Tech SIMCom SIM800C User Manual (English)

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Smart Machine Smart Decision

SIM800C_Hardware_Design_V1.00 10 2014-10-30

 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)

 CSD transmission rates：2.4, 4.8, 9.6, 14.4 kbps

CSD

 Support CSD transmission

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

debug port

Serial port:

 Default one Full modem serial port

 1200bps to 460800bps

 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

Debug port:

 USB_DN and USB_DP

 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:1.3g

Firmware upgrade

Main serial port or USB port.(recommend to use USB port)

Table 3: Coding schemes and maximum net data rates over air interface

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SIM Tech SIMCom SIM800C Specifications

General

Module Type	GSM/GPRS Module
Frequency Bands	GSM 850/900/1800/1900 MHz
GPRS mobile station	Class B
Compliant to GSM phase	2/2+
USSD	Supported
Operating Temperature	-40°C to +85°C
Product Type	GSM/GPRS Module
GPRS Class	Class 12
Coding scheme	CS-1, CS-2, CS-3 and CS-4
SMS	Text and PDU modes
Interfaces	UART, SPI, I2C, GPIO, ADC
Power Supply	DC
Supply voltage range	3.4V to 4.4V
Transmitting power	Class 4 (2W) @850/900MHz, Class 1 (1W) @1800/1900MHz
Data Rate	GPRS multi-slot class 12: max. 85.6 kbps (uplink & downlink)
TCP/IP	Embedded TCP/IP stack