Feature: 1. This is an adapter module dedicated to NRF24L01 + / NRF24L01 + PA + LNA wireless modules. 2. Onboard level conversion circuit and 3.3V regulated voltage facilitate the use of NRF24L01 wireless module for 5V single chip microcomputer (such as universal network object R3 motherboard). 3. Universal network object R3 and its compatible motherboards can be directly connected and used. 4. Wireless transceiver's installation is simple, which not requires particularly complicated operations. 5. Built to strict quality control standards, adapter module is made of high quality material with strong durability. Specification: Item Type: Adapter module Communication Interface Voltage: Compatible with 5V, 3.3V (onboard 3.3V high-speed level conversion circuit) Working Voltage: 3.2V-5.3VDC (onboard 3.3V regulator) Working Current: 240mA (maximum) Package List: 1 x Adapter Module This is an adapter module dedicated to NRF24L01 + / NRF24L01 + PA + LNA wireless modules. Onboard level conversion circuit and 3.3V regulated voltage facilitate the use of NRF24L01 wireless module for 5V single chip microcomputer (such as universal network object R3 motherboard). Universal network object R3 and its compatible motherboards can be directly connected and used. Wireless transceiver's installation is simple, which not requires particularly complicated operations. Built to strict quality control standards, adapter module is made of high quality material with strong durability.