BLE4.0 Bluetooth 2.4G Wireless Module, nRF51822 Onboard. Core51822

Diagnostic interface for wireless diagnostics of cars with OBD2 system. The device uses the popular 16-pin connector and is equipped with a Bluetooth 2.1 module. ELM327 Mini V2.1

Programmable miniature Ethernet module, Tibbo Technology EM500-01

E-Paper ESP8266 Driver Board is a universal driver board for e-Paper displays. The board is based on the WiFi ESP8266 module. e-Paper ESP8266 Driver Board

The USR-IO0440 is an additional input/output module specifically designed to work with USR-M100 and USR-M300 modules. This module allows the system to be expanded with additional analog and digital ports, providing even greater flexibility in managing and controlling devices in industrial applications. With its robust construction and ease of integration, the USR-IO0440 is an excellent complement to the USR-M100 and USR-M300 gateways, enhancing their monitoring and control capabilities. USR-IO0440 

The USR-ISG005 is a compact, reliable plug-and-play industrial switch, ideal for use in demanding environments. With its durable construction, wide operating temperature range, and redundant power supply, the switch ensures stable and uninterrupted communication in harsh industrial conditions.

SYN115/SYN480R set enables the implementation of 433 MHz wireless communication in DIY projects and microcontroller systems. It is suitable for applications in remote control systems, home automation, and data transmission between devices.

The tag contains a NXP S50 chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader. Adafruit 360

The USR-IO4040 is an I/O expansion module designed specifically for use with the USR-M100/M300 modules. This module allows for the expansion of your system with additional digital ports, providing even greater flexibility in managing and controlling devices in industrial applications. With its robust construction and ease of integration, the USR-IO4040 is an excellent complement to the USR-M100/M300 gateway, enhancing its monitoring and control capabilities. USR-IO4040 

Shield - Xbee w / o RF module

USR-SF1005 is a 5-port unmanaged Ethernet switch supporting 10/100 Mbps speed, ideal for reliable data transmission in small office and home networks. With store-and-forward technology and metal housing, it provides optimal data flow, protection against electromagnetic interference and simple plug-and-play installation

Expansion board with BlueNRG-M0 module compatible with Bluetooth v4.2. It is compatible with the ST morpho connector system (unmounted) and Arduino UNO R3. Communication with the module is via the SPI interface. STMicroelectronics X-NUCLEO-IDB05A2

Development board designed for IoT projects. It is equipped with a WiFi/Bluetooth module ESP32, LoRa 868 MHz, GPS and a basket for a Li-Ion 18650 battery. TTGO T-Beam V1.1

The USR-G806w-E industrial router provides a stable 4G LTE connection and Wi-Fi support, ideal for harsh industrial environments and compatible with 4G, 3G and 2G technologies. With VPN support and a firewall function, the router offers a high level of security, and its solid construction allows operation in temperatures from -40 ° C to + 70 ° C, making it suitable for automation and IoT systems.

Bluetooth 5.0 module based on the BT401 chip. It allows you to send audio and support microSD cards up to 128 GB. DFRobot DFR0781

Arduino Wireless Shield

USR-SG1005 is a 5-port unmanaged Ethernet switch supporting 10/100/1000 Mbps speed, ideal for home and office networks. With store-and-forward technology and iron housing, it provides efficient data transfer and protection against electromagnetic interference

A module with an NFC PN532 transceiver, which supports proximity communication at the frequency of 13.56 MHz. The board is equipped with a Grove connector and communicates via the I2C or UART interface. Seeed Studio 113020006

WiFi module based on ESP8266. It has an embedded antenna and 0.96 "OLED display. The module can be programmed in Lua (under NodeMCU firmware control) or in the Arduino IDE. Provides 12 GPIO lines.

Bluetooth Low Energy module based on the nRF52832 microcontroller. It offers GPIO, SPI, UART, I2C, I2S, PWM, ADC and NFC interfaces for connecting peripherals and sensors. The module is characterized by a compact size. Adafruit 4077