The Microchip RN4020 module is an energy-saving Bluetooth v4.1 module with a built-in antenna; transmit power level + 7dBm, AES128 coding

Long-range Sub-GHz wireless RF transmitter and receiver module, capable of operating in the 868 MHz frequency band. The integrated architecture allows the use of a minimum number of external components while maintaining maximum design flexibility. Hoperf RFM22B-868S2

Module with an RFID reader designed to work with the Raspberry Pi Pico. Equipped with an OLED display and a buzzer. SB Components 21192

The Tibbo RJ203+EM1206-1024K-01 module is a versatile solution for integrating network communication in IoT applications, supporting Ethernet and WiFi. Equipped with 1024 KB flash memory and 2 serial ports, it supports multiple network protocols, offering easy assembly thanks to the THT design.

The BLE Nano from RedBearLab is the smallest Bluetooth 4.1 Low Energy (BLE) development board on the market. With the included MK20 USB in this kit, you’ll be able to deploy firmware to BLE Nano even easier. WRL-14071/WRL-13730

Efficient, broadband, flexible LTE antenna with small dimensions. It is easy to install and durable (made of flexible polymer). It operates with an efficiency exceeding 45% on the LTE bands from 698 to 3000 MHz, but can operate in the frequency band from 600 MHz to even 6000 MHz. SparkFun WRL-22527

Radio receiver module operating at 433 MHz. It is equipped with Gravity connectors and communicates via a digital interface. DFRobot TEL0142

Compact, low-power 2.4 GHz Bluetooth Beacon solution, ideal for sensor monitoring, asset tracking and real-time location. With extremely low power consumption, it can operate for years on a 3V button cell battery, making it an efficient choice for IoT applications. Module configuration is simple and intuitive thanks to the InPlay NanoBeacon Config Tool, which enables easy programming without the need to write code, offering a user-friendly graphical interface to set device parameters. Version with connectors and without LED and button, intended for direct use in the target application. SparkFun WRL-21327

LTE Cat 4 module that supports wireless communication over LTE-TDD, LTE-FDD, HSPA+, GSM, GPRS and EDGE technologies. FPC antenna included. Waveshare SIM7600G-H 4G Module

It enables the existence of devices with BLE in networks with the IP protocol: GPRS and Internet

Easy to use app builder that allows users to add a variety of buttons, sliders, graphical displays and even RGB controllers to their phone. The SparkFun Blynk Board is specially designed to work with the ‘widgets’ within the Blynk mobile app to create your next IoT project. WRL-13794

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

Module with an IR transmitter operating at a frequency of 38kHz. The module is supplied with the voltage from 3 to 5V. FRobot DFR0095

Radio module with 868 MHz operating frequency. Communication takes place via the UART serial interface. It is supplied with the voltage in the range from 3.4 to 5.5 V. DFRobot TEL0115

4G/3G/2G communication and GNSS positioning module. It allows you to make phone calls, support SMS, MMS, e-mail, TCP, UDP, DTMF, HTTP, FTP and has support for GPS, BeiDou, Glonass, LBS. Waveshare SIM7600G-H 4G for Jetson Nano

Programmable radio module operating at 2.4 GHz. It is based on the CC2511F32 microcontroller. The board has analog outputs, PWM, USART and SPI interfaces and a USB connector. Pololu 1336

IoT DFRobot Gravity UART OBLOQ module for working with Microsoft Azure. DFRobot TEL0118

A compact, long-range wireless communication device offering a range of up to 5 km using LoRa technology with the SX1268 chip operating at 868 MHz. It features low power consumption, a wide operating temperature range, and broad compatibility with PCs, Raspberry Pi, and other platforms, making it ideal for distributed IoT systems and industrial applications. SB Components 26579

modNRF905 is a versatile RF transceiver module operating in three ISM bands, ideal for remote communication between devices in IoT systems, automation, and remote control. With low power consumption, fast channel switching, and an included antenna, it provides stable and energy-efficient wireless connections.

Gravity: Digital IR Receiver Module is a module with an IR receiver operating at 38kHz. The module is supplied with 5V voltage. DFRobot DFR0094