Specification: Item Type:Wireless Module Type:Direct Insert/Patch Mounting(Optional) Serial Number Product Name Parameter Summary 1 Model Gt-24 2 Rf Solution Nrf24L01P 3 Module Size 30.3 X 14.5Mm / 1.19 X 0.57In &Nbsp; Pcb Antenna Included 4 Working Frequency 2.4Ghz-2.525Ghz Adjustable, 1Mhz Step 5 Production Process -Free Environmentally Friendly Process Machine Stickers, Products Must Be Machine-Mounted To Ensure Consistent Batch Reliability 6 Interface Mode 1*8*1.27Mm/2*4*2.54Mm The Patch Can Also Be Used With The Universal Board And Line. 7 Supply Voltage Dc: 2.0-3.6V Note: Voltages Above 3.6V Will Cause Permanent Damage To The Module. 8 Communication Level 0.7Vcc-3.3V Vcc Refers To The Module Supply Voltage 9 Measured Distance 1000M Clear And Empty, Maximum Power, Height 2M, 250K Air Speed 10 Transmit Power 4 Levels Adjustable Up To 20Dbm About 100Mw At Maximum Power 11 Air Speed 250K-2Mbps Level 3 Adjustable (250Kbps, 1Mbps, 2Mbps) 12 Shutdown Current About 30Ua Test Conditions: Ce=0, Power Down Mode, Vcc=3.0V 13 Emission Current About 90Ma Power Supply Capacity Must Be Greater Than 250Ma 14 Receiving Current About 20Ma Ce=1 15 Antenna Form Pcb Antenna / Ipex Carrier Antenna