Features:Compact design,specially for the 2.4GHz all types of applications.Built-in high-speed ceiver automatically switch discrimination circuit,can automatically switch to send and receive status,can work automatically without WIFI control chip signal,so it is compatible with any WIFI solution.Can be applied to all kinds of occasion that has special requirements of the WiFi signal mission distance and connection stability. Description:Item Name: Signal Amplification ModuleItem NO.: XQ-02AReceive Gain: 10dB mission Gain: 11dBAccept The Noise Factor: 3.0dBInput Power Range: 4dBm-20dBmMaximum mitter Power ( Power): 33dBm (2W)Dimensions: 36mm * 26mm * 4.8mm (L * W * H)Weight: Less than 5gColor: as shownMaterial: PC+ metal Package Contents:1x Module Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.