Qwiic LTE CAT M1/NB-IoT Shield - IoT shield with LTE SARA-R4 modem for Arduino + SIM card

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

NFC module designed for Arduino. Meets the standards of reader mode, P2P mode and card emulation mode. The board has an integrated RF antenna. NXP OM5578/PN7150ARDM

The Arduino expansion board is dedicated to applications that use NB-IoT communication. Thanks to the GNSS (Global Navigation Satellite System) module, it supports GPS, GLONASS, Galileo, QZSS and BeiDou navigation systems. The module is supplied with the voltage from 7 to 12 V. DFRobot DFR0572

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

Adafruit 789 - Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras

Multifunctional expander (shield) for NUCLEO and Arduino equipped with Bluetooth 2.0+EDR (HC-05) interface, MEMS 3DoF LIS35, LED-RGB, joystick and analog STLM20 temperature sensor developed and produced by KAMAMI.

Shield designed for IoT applications with LTE CAT M1/NB-IoT SARA-R4 modem. The board is compatible with Arduino, allows you to add communication via cellular networks to Arduino boards. SparkFun CEL-14997

UART-RS485 converter module. It enables communication of Arduino boards with industrial modules. DFRobot DFR0259

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

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

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.

Ethernet network module with W5500 chip. It communicates via the SPI interface, it has a built-in TCP/IP stack. There are two Grove connectors with I2C and UART on the board. Seeed Studio 103030021

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

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

DEV-10864 OSHW - PoEthernet 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