Operating frequencies: 4.905-4.940 GHz; 5.15-5.85 GHz; 5.88-5.9 GHz; IEEE standard: IEEE 802.11a (narrowband mode) Supports 5/10 MHz narrowband, using 1T1R technology Connects to external antennas via the MHF1/IPEX1 connector Main interface: SDIO 3.0, compatible with SDIO 2.0 Power supply: DC 5V & Battery voltage 3.7V Chipset: Hi102A Frequency: 5 GHz Interface: SDIO Operating modes: SoftAP, Station Power supply: 5V ±0.2V Operating temperature: -20°C to 70°C Power consumption: less than equal 1800mA Power draw: less than equal 28.5dBm (Typ.) Color:As Shown Material:PCB Package Contents: 1 * WiFi 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.