SIM800C mini Development Board for 2G applications
SIM800C mini Development Board for 2G applications - Image 2

SIM800C mini Development Board for 2G applications

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  • Small size quad-band GSM/GPRS module
  • LCC form factor, easy for solder
  • Abundant software functions: DTMF, MMS, MUX
  • Low Power consumption
  • Embedded TCP/UDP protocols

 

$ 10.9

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Description

The SIM800C Mini DB is a compact and portable board designed specifically for breadboard. The main equipped modules are the SIM800C Mini DB series wireless communication modules. The SIM800C EVB (Evaluation Board) exposes the SIM800C Quad-Band GSM/GPRS LCC module on a user-friendly breakout platform. It keeps the module’s compact LCC form factor while adding convenient connectors, power regulation, and test points so you can prototype and evaluate cellular functionality quickly without low-level PCB layout or soldering.

 

Features

  • Compatible with BreadBoard
  • On Board 2A Switching Regulator
  • On Board NanoSIM(4FF) socket
  • BT Antenna on board
  • GNSS active antenna circuit
  • Quad-band GSM/GPRS support with up to 85.6 kbps GPRS data transfer
  • Abundant interfaces: UART, USB 2.0, GPIO for easy host connection and control
  • Ready-to-use EVB power management, antenna connector, and level-shifted I/O
  • header pins for monitoring signals and integrating peripherals
  • Compact evaluation form factor that preserves the SIM800C LCC footprint for later product development

 

Specifications

  • Module type: SIM800C in LCC package
  • Network: Quad-band GSM (GPRS up to 85.6 kbps)
  • Interfaces: UART, USB 2.0, multiple GPIO pins
  • Expansion: Breakout headers for debugging and interfacing with external sensors or microcontrollers
  • Typical use: Designed to mirror final-module connections so results transfer to production hardware

 

Applications

  • Smart meters and metering gateways
  • Security systems and alarm communication
  • Remote diagnostics and telemetry
  • IoT devices requiring low-bandwidth cellular connectivity

 

Development Board Configuration

The detailed assignment of the peripheral interfaces on the Development board is as follows:

NO. Name Silkscreen Comment
1 Sim card case J1 4FF SIM Card 12.3* 8mm
2 External Bluetooth Antenna BT ANT Johanson Bluetooth Antenna
3 External GSM Antenna GSM ANT UFL ANTENNA
4 10pin P1-P2 header 2.54mm
5 USB USB PORT USB interface which can be used for debugging and upgrading firmware;

The Development board has 2 functional indication LEDs, as follows:

  • D1: NETLIGHT
  • D2: Power indication LED

 

Components

PinOut

 

Pin Describtion

NO. Name Silkscreen Comment
P1-1 Request to send RTS You can use it as an output and input.
P1-2 VRTC VRTC Power supply for RTC when VBAT is not supplied for the system. Charging for backup battery or golden capacitor when the VBAT is applied.) For the allowed voltage and current values ​​for this pin, see the bottom of the table.)
P1-3 RXD RX Receive data
P1-4 TXD TX Transmit data
P1-5 DCD DCD Digital output
P1-6 DTR DTR Digital input
P1-7 NC NC Not connect
P1-8 NC NC Not connect
P1-9 UART2-TX AUXTX Transmit data
P1-10 UART2-RX AUXRX Receive data
P2-1 Ground GND
P2-2 CTS CTS Clear to send
P2-3 RI RI Ring indication
P2-4 ADC0 ADC General purpose analog to digital converter. Vmax=2.8V, Vmin=0V
P2-5 SPK1P SPP Channel 1 positive voice output
P2-6 SPK1N SPN Channel 1 negative voice output
P2-7 MICN MICN negative voice input
P2-8 MICP MICP Positive voice input
P2-9 Ground GND
P2-10 Power +5 Main power supply of module

Make sure that supply sufficient current in a transmitting burst typically rises to 1.6A. Vmax=4.8V, Vmin=5.5V

VRTC pin voltage: VImax=3.3V, VImin=1.5V, VInorm=2.8V
VOmax=3V, VOmin=2V, VOnorm=2.8V IOmax=2mA Iin≈10uA

Hint: make sure the power supply voltage is stable. The board to power up and turn on automatically without the need for a turn-off function.

 

Dimentions

 

Benefits of the EVB for Design

Using the SIM800C EVB accelerates development and reduces risk by letting you test cellular functions immediately without designing a module-level PCB. The EVB simplifies integration, saves development time, and helps validate power, signaling, and antenna choices before committing to a final hardware design.

 

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SKU: E0711 Category:

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