A-GSM II Shield - expansion board with GSM/GPRS module for Arduino and Raspberry Pi

Expansion board based on the Wiznet W5200 Ethernet system. It allows you to easily connect Arduino to an Ethernet network. DFRobot DFR0125

Connect your Arduino-compatible to the Internet with this WiFi shield that features the FCC-certified ATWINC1500 module from Atmel. Adafruit 3654

The CAN-BUS Arduino Shield v2.0 can be stacked on an Arduino UNO, Arduino Leonardo or Arduino MEGA board. The shield integrates an MCP2515 CAN-BUS chip on the shield and has a CAN-BUS transceiver function. With an on-board DB9 and CAN-BUS connector you can choose a suitable port according to your host device. There is also an integrated MicroSD socket for data storage. DFR0370

Expansion board with 4G/3G/2G communication module and GNSS positioning. The kit has pins compatible with Arduino and STM32 Nucleo. DFRobot TEL0124

A USB host module that contains all the digital logic and analog circuitry necessary to implement a USB peripheral or host controller using the SPI interface. SparkFun DEV-21247

Expansion board based on the Wiznet W5200 Ethernet chip. It allows you to easily connect the Arduino to the Ethernet network. DFRobot DFR0272

Shield for STM32 series Nucleo, XNucleo and Arduino series for communication via RS485 and CAN interfaces (CAN is only available for Nucleo and XNucleo plates). Shield is based on MAX3485 and SN65HVD230 systems

KAmodNFC is an expansion board with M24LR64E-R chip – dynamic tag with 64kb EEPROM memory and dual communication interface (I2C/RF). On board is placed also signalization of energy harvesting function, which is in M24LR64E-R chip embedded.

Board with the GNSS Cinterion TX62 module with support for Cat. M1 and NB IoT. Dedicated for Arduino Portenta H7. Arduino ASX00027

Module with a radio receiver operating at 315 MHz for Arduino. DFRobot TEL0075

A wireless overlay designed for Arduino tiles. Equipped with a connector compatible with Xbee modules and a microSD card slot. Arduino A100065

Arduino compatible shield for the ESP8266 WiFi SoC – a leading platform for Internet of Things (IoT) or WiFi-related projects. WRL-13287

Connect your Arduino-compatible to the Internet with this WiFi shield that features the FCC-certified ATWINC1500 module from Atmel. Adafruit 3653

DEV-10864 OSHW - PoEthernet Shield

Ethernet network module with W5500 chip and PoE (Power over Ethernet) function. It communicates via the SPI interface, it has a built-in TCP/IP stack. DFRobot DFR0850

The Arduino Ethernet Shield 2 allows an Arduino Board to connect to the internet. It is based on the Wiznet W5500 Ethernet chip. The Wiznet W5500 provides a network (IP) stack capable of both TCP and UDP. There is an onboard micro-SD card slot, which can be used to store files for serving over the network. It is compatible with the Arduino Uno and Mega