Wireless protocol: IEEE 802.11ac / a / b / g / n Free-driven applicable system (OS): Vista / XP / 7/8/10/11 inch Network Mode (Frequency): Dual Band 2.4GHz + 5.8GHz Network speed support (WiFi Speed ): 2.4GHz - 400MPBS 5.8GHz - 867MPBS Chipset: RTL8812BU Item Name: 1300Mbps Dual-Band WiFi Adapter 1300Mbps USB 3.0 WiFi Bluetooth 5.0 Adapter 2in1 Dongle Main chip: RTL8822BU Bluetooth description: Bluetooth version V5.0 Interface type: USB3.0 Transmission distance: 10 meters RF power: 10dBm (max) Antenna Gain: 5dBi Transmission speed: /S Supported : WIN7/WIN8/10/11 WIFI description: Supported standards and protocols: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, IEEE 802.11a, IEEE 802.11ac Transmission speed: 2.4GHz 400Mbps 5.8GHz 867Mbps Frequency range: 2.4-2.4835GHz, 5.15-5.825GHz Frequency range: USB3.0 Transmission rate: 5GHz Receive sensitivity: -65dBm@10% PER Transmission distance: up to 100 meters indoors, up to 200 meters outdoors (depending on the environment) Spread Spectrum Technology: DSSS (Direct Sequence Spread Spectrum) Physical Specifications: Working current 100mA - 200mA(BT+WIFI) Current varies with working mode Use environment Operating temperature: -20℃ to 45℃; Storage temperature: -40℃ to 70℃ Operating humidity: 10% to 90%RH non-condensing; storage humidity: 5% to 90%RH non-condensing Colour:black Material:plastic Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * WiFi Adapter 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.