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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 |
Detailed information on the power supply requirements and reference circuits.
Specifics about VBAT, GND, VRTC pins and VDD_EXT output.
Scenarios and timing for powering the module on and off.
Methods for powering down the SIM800C module, including PWRKEY and AT command.
Details on Minimum Functionality Mode and Sleep Modes.
Details on serial port, USB interface, and pin definitions.
Methods for upgrading module firmware via USB or UART.
Details on the SIM card interface, compliance, and supported card types.
Requirements for GSM antenna impedance, VSWR, and isolation.
General guidelines for PCB layout to minimize interference and noise.
Stress ratings beyond which permanent damage may occur.
Voltage and temperature ranges for normal operation.
Current consumption values under various operating modes and conditions.
RF output power, receive sensitivity, and operating frequencies.
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