Features: 【Broadband Compatibility Design】The BL M8821CP2 wireless networking card uses a PCIE port, making it suitable for a wide ranges of devices and systems. 【Efficient Transmission】Ensuring stable transmission and minimises data loss. 【Plug-and-Play Convenience】Quick installation without additional tools, significantly reducing installation time. 【Energy-Efficient and Friendly Design】Operates in low-power mode to effectively reduce device energy consumption. 【Stable and Interferences Resistant】Utilises advanced interferences -resistant technology to ensurinh stable networking connection. Specifications: Component: Stable transmission and durability. Chip: RTL8821CE Standard: 802.11a/b/g/n Frequency: 2.4GHz/5GHz Interfaces: WiFi: PCle, Working mode: ,station Size: about 30x26.7x3.1mm/1.18x1.05x0.12in Power supply: 3.3V ±0.2V Working temperature: -20℃~70℃ Power: ≤19dBm Power consumption: ≤655mA Connection: PCIE Package Includes: 1PC BL M8821CP2 Wireless Networking Card note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.