Wi-Fi, Bluetooth, GSM, RF Modules

Wireless modules for IoT and mobile communication: ESP8266, ESP32 (Wi-Fi 2.4 GHz + BLE), HC-05/HC-06 (Bluetooth Classic), HM-10 (BLE), nRF24L01 (2.4 GHz), LoRa SX1276/SX1278 (433/868 MHz), GSM SIM800L/SIM900, NB-IoT, GPS Neo-6M/Neo-8M. Antennas, shields, RF amplifier ICs. Filter by technology, frequency, range, and interface (UART, SPI, I2C). Used in IoT sensors, GPS trackers, alarm systems, GSM-enabled meters, wireless sensor networks, and drones.