Communication Modules

This Refurbished SIM900A GSM Module is the smallest and cheapest module for GPRS/GSM communication. It is common with Arduino and microcontrollers in most embedded applications. The module offers GPRS/GSM technology for communication with the use of a mobile...

The SIMCOM SIM800A is a complete Dual-band GSM/GPRS SMT solution that can be embedded in customer applications. It supports Dual-band 900/1800MHz and can transmit voice, SMS, and data information while consuming little power. Its small size...

The SIM800A Simcon GSM/GPRS Module with UART Interface. The SIM800A supports quad-band 850/900/1800/1900 MHz and can transmit voice, SMS, and data information while consuming little power. Using USB to Serial connector and SMA antenna connector...

The MT8870 DTMF Decoder Module is a small module based on the MT8870 DTMF decoder IC. A 3.5mm audio connector is provided for connecting an audio source to the module. The audio source's DTMF signal...

SC9270 DTMF Decoder Module is a multi-frequency decoder. After receiving the DTMF signal, it divides it into high-frequency and low-frequency groups and sends it to the digital decoder, which determines the key value and sends...

SIM800C GSM GPRS Chip Module. It can transmit voice, SMS, and data over GSM. The SIM800C GSM/GPRS Module from SIMCOM is a popular module for adding GSM/GPRS/Bluetooth support to any electronic device. The module is...

The SIM900A Simcom GSM/GPRS Module with USB (UART) Interface. The SIM900A supports quad-band 850/900/1800/1900 MHz and can transmit voice, SMS, and data information while consuming little power. Using USB to Serial connector and SMA antenna...

The A7670 series is the LTE Cat 1 module which supports wireless communication modes of LTE-TDD/LTE-FDD/m GSM/GPRS/EDGE data transfer rates of up to 10Mbps. It has a strong extension capability and a variety of interfaces, such...

The PCF8574 I/O Extension Board is used as a remote 8-bit I/O expander for I2C-bus. Up to 8x PCF8574, IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ports. It has...

It's a USB to RS485 converter adopter module. The USB to RS485 Converter Adapter Module supports WIN7, XP, Vista, Linux and Mac OS provides an easy to use RS485 interface by means of a Virtual Com Port...

The MAX485 TTL To RS485 Module converts TTL signal to RS485 for long-range, high data rate error-prone differential communication. Digital communications networks implementing the EIA-485 standard can be used effectively over long distances and in electrically noisy environments....

It's a PL2303 USB to TTL Converter Module. This module is a Transistor Transistor Logic to Universal Serial Bus converter. This module may be used to configure any device that uses the UART protocol for communication. The module...

USB TO UART TTL 5V 3.3V FT232RL USB To Serial Adapter for Arduino is a basic module for the FTDI FT232RL USB to serial IC, Revision 2. The pinout of this board matches the FTDI...

It's a IIC/I2C Serial Interface Adapter Module The blue preset is to adjust the contrast of the LCD. The black jumper on the left is to enable the Backlight of LCD. The I2C device has...