ESP8266 Antenna Extender

From the shop's description

Product Description Frequency Range: 2.4GHz Gain(dBi): 2.5 V.S.W.R: 1.5 Polarization :Vertical Non-Circularity(dB): 0.5 Impedance: 50 Lightning Protection: Direct Ground Maximum Input Power(W):? ? ? 50 Mechanical Specifications Connector Type SMA Radiating Element Material Copper Operating Temperature() -40~+70 Reposition Temperature() -55~+80 NOTES Package will include only one ESP-01 Adapter board without an ESP-01 module. Package Includes: 1x ESP8266 Antenna Extender Relate Products: Sensors | Modules