1. Dual-band enjoy wireless WIFI reception Dual-band free switching, with broadband and routers, enjoy high-speed Gigabit network 2. Support /industrial control boards/all-in-one machines/medical equipment/advertising machines/learning machines, etc. 3. Applicable to various models of 5G dual-band switching to bring you the most comfortable experience 4.5GHz frequency band: close to the signal source, interference, use when there is Gigabit broadband network 2.4GHz frequency band: strong wall penetration, can run full broadband when only 2.4G signal is available No need to worry about the entangled network cable and the location when using it bothered by Transmission rate: 1200Mbps Interface type: mini pci-e Wireless standard: IEEE 802.11g, IEEE 802.11b, IEEE 802.11n Working frequency band: 2.4G+5.8G+Bluetooth 5.1 Support protocol: 802.11AC Colour:green Material:plastic Size: 9 x 6 x 0.7cm Package Contents: 1 x Dual-band 2.4G 5.8G Bluetooth 5.1 network card 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.