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SIM800C

Quad-band GSM/GPRS module, BT 3.0, 17.6x15.7mm LGA, AT commands, IoT

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Pieza del fabricante：

SIM800C

Paquete：

LGA-68 (17.6 x 15.7 x 2.3 mm, 68 pads)

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Descripción

Productos

The SIM800C from SIMCom is a quad-band GSM/GPRS module in a compact 17.6×15.7×2.3mm LGA package, supporting voice, SMS, data, and Bluetooth features for IoT and M2M applications.

Especificaciones

Network Quad-band GSM/GPRS (850/900/1800/1900 MHz)
GPRS Class Class 12 (max 85.6kbps downlink)
Tensión de alimentación 3.4V to 4.4V (typical 3.8V)
Transmit Power Class 4 (2W @ 850/900MHz), Class 1 (1W @ 1800/1900MHz)
Current (Transmit) 2A peak (typical)
Current (Sleep) 0.7 mA (typical)
Interface UART (serial AT commands), Bluetooth 3.0
UART Baud Rate 1200 to 115200 bps (auto-baud to 460kbps)
Voice Yes (FR/HR/EFR/AMR codecs)
SMS Yes (PDU and text mode)
Audio 2 microphone inputs, 1 speaker output
Paquete LGA-68 (17.6 x 15.7 x 2.3 mm)
Temperatura de funcionamiento -40 to +85 C

Características

  • Ultra-compact 17.6×15.7mm LGA module
  • Quad-band GSM/GPRS for global coverage
  • AT command interface (GSM 07.07/07.05)
  • Embedded TCP/UDP stack
  • Bluetooth 3.0 (data and audio)
  • Integrated SIM interface (1.8V/3V)
  • Low sleep current (0.7mA)

Aplicaciones

  • IoT remote monitoring and control
  • Asset tracking and fleet management
  • Smart metering (AMR/AMI)
  • Security and alarm systems
  • Wearable and portable devices

The SIM800C from SIMCom is a complete quad-band GSM/GPRS module in an ultra-compact LGA package, designed for machine-to-machine (M2M) and Internet of Things (IoT) applications where space and power are at a premium. Measuring only 17.6 x 15.7 x 2.3mm, the SIM800C is one of the smallest GSM modules available, enabling integration into wearable devices, asset trackers, and compact IoT sensors. The module supports all four GSM bands (850/900/1800/1900 MHz) for worldwide coverage, GPRS Class 12 for data connectivity up to 85.6kbps, and circuit-switched voice calls with multiple codec support (FR/HR/EFR/AMR). The module is controlled via standard AT commands over a UART serial interface, compatible with GSM 07.07 and 07.05 standards, making it easy to integrate with any microcontroller. The embedded TCP/UDP protocol stack allows direct internet connectivity without requiring a separate TCP/IP stack on the host MCU. Bluetooth 3.0 support enables short-range connectivity for configuration, firmware updates, or proximity detection. The SIM interface supports both 1.8V and 3V SIM cards. The module operates from 3.4V to 4.4V supply (3.8V typical from a single Li-Ion cell), with a peak transmit current of 2A that must be supplied by a low-ESR power source or dedicated PMIC. The 0.7mA sleep current enables long battery life in periodic reporting applications. The SIM800C is widely used in asset tracking, smart metering, remote monitoring, and security systems.

The SIM800C operates as a complete cellular modem module controlled via AT commands. Key subsystems include: (1) RF Transceiver – the quad-band RF front end supports 850/900/1800/1900 MHz GSM bands; the power amplifier delivers 2W at 850/900MHz and 1W at 1800/1900MHz; the module requires an external antenna connected via an RF pad; (2) Baseband Processor – an integrated baseband DSP handles GSM/GPRS protocol stack layers 1-3, voice codec processing, and AT command parsing; the host MCU sends AT commands (e.g., ATD for dial, AT+CMGS for SMS, AT+CIPSTART for TCP connection) via UART; (3) GPRS Data – Class 12 GPRS supports up to 4 timeslots in downlink and 4 in uplink (4+1 or 3+2 configuration); the maximum data rate is 85.6kbps; the embedded TCP/UDP stack handles socket-level operations, allowing the MCU to send/receive data without implementing TCP/IP; (4) Power Management – the module requires a clean 3.4-4.4V supply capable of delivering 2A peak during transmit bursts; internal LDOs regulate the supply for the RF and baseband sections; the module enters sleep mode when DTR is deasserted, reducing current to 0.7mA; (5) Bluetooth 3.0 – an integrated Bluetooth transceiver supports SPP (Serial Port Profile) for data and HFP for audio; the BT interface is also controlled via AT commands.

Grupo Pin Cuenta Función
VBAT 3 Power supply (3.4V to 4.4V, 2A peak)
GND 8 Ground and thermal
UART TXD/RXD 2 Serial data (AT command interface)
UART RTS/CTS/DTR/RI 4 UART flow control and status
SIM_CLK/SIM_DATA/SIM_RST/SIM_VDD 4 SIM card interface
RF_ANT 1 Antenna connection (50 ohm)
AUDIO (MIC/SPK) 5 Audio inputs and outputs
GPIO/ADC/PWM 8+ General-purpose, analog, and PWM
BT_ANT 1 Bluetooth antenna
PWRKEY 1 Power on/off control
  • Asset tracker: GPS + SIM800C for real-time location reporting via GPRS to cloud server every 30 seconds
  • Smart meter: periodic GPRS data upload of meter readings from remote utility meters
  • Security alarm: GSM voice call + SMS alert when intrusion detected, with BT for local configuration
  • Wearable SOS: single-button emergency call device using GSM voice with Li-Ion battery power
Fabricante Número de pieza Paquete Notas
SIMCom SIM800L LGA Similar but without Bluetooth
SIMCom SIM800F LGA With FM radio
Quectel M10 LGA Quad-band GSM equivalent
SIMCom SIM7500A LGA 4G LTE Cat-1 upgrade path
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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Envíos y pagos

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

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We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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