W5500 Ethernet Shield - Ethernet module with W5500 chip for Arduino

Expansion board with GSM/GPRS module designed for Arduino and Raspberry Pi. It uses the Quectel M95 chip, the board has two audio connectors, a microSD slot and a dual SIM slot. A-GSM II Shield

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

 Introducing Adafruit FONA 808 GSM + GPS Shield, an all-in-one cellular phone module with that lets you add location-tracking, voice, text, SMS and data to your project, in Arduino shield format for easy use. Adafruit 2636

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

Advanced expansion board for Arduino. It has support for mini-SIM cards and NB-IoT cards. Thanks to the GNSS module (Global Navigation Satellite System), it supports GPS, GLONASS, Galileo, QZSS and BeiDou GPS navigation systems. The module is powered by 7-12V voltage. DFRobot DFR0572

GPRS, DTMF, TTS speech all in one shield. Its operating freqency is EGSM 900MHz/DCS 1800MHz and GSM850 MHz/PCS 1900MHz. TEL0089

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

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

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

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

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

DEV-10864 OSHW - PoEthernet Shield

Ethernet board with mini SD card slot based on W5100 controller.

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.

Module with Himax HM-01B0 camera and LoRa communication dedicated to Arduino Portenta H7 boards. Arduino ASX00026

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