WIRELESS CONNECTIVITY: nRF24L01+ module operates on 2.4GHz frequency band for reliable wireless communication between devices PACKAGE CONTENTS: Set includes 5 pieces of wireless communication modules for multiple device integration COMPATIBILITY: Suitable for Arduino, STM32, and other microcontroller-based projects requiring wireless data transmission TRANSMISSION RANGE: Effective communication distance of up to 100 metres in open areas with built-in antenna POWER SPECIFICATIONS: Operates on 1.9V to 3.6V power supply with low current consumption in standby mode