Welcome to our store! This wireless network card is designed exclusively for Lenovo laptops, compatible with Lenovo B40-30/N40-30, B40-70/N40-70/B40-45/N40-45, and more. Equipped with Bluetooth 4.0 for seamless high-speed signal transmission, connecting effortlessly when needed. Supports Microsoft Windows 7 / Microsoft Windows 8.1 / Microsoft Windows 10 / Linux (most functions unavailable for Linux). Compact and lightweight, it's easy to carry and store, offering convenience and excellent performance. Undergoes strict quality control and assurance, ensuring a high safety factor for worry-free use. Item Type: Wireless Network Card Model: RTL8723BENF Edition Model: RTL8723BE Frequency Band: 2.4 GHz Network Standards: 802.11b, 802.11g, draft 802.11n Modulation Technology: OFDM with BPSK, QPSK, 16 QAM, 64 QAM; DBPSK, DQPSK, CCK FEC Encoding Rate: 1/2, 2/3, 3/4, 5/6 Hardware Encryption: AES, TKIP, WEP Service Quality: 802.11e Peripheral Interface: GPIO, LED Memory Interface: EEPROM Supported Data Rates: IEEE 802.11a: None IEEE 802.11b: 1 to 11 Mbps IEEE 802.11g: 6 to 54 Mbps IEEE 802.11n: Up to 300 Mbps Wireless Type: 802.11 a/b/g/n Interface: NGFF M.2: PCI-E Bluetooth: Bluetooth 4.0 Operating System: For Microsoft Windows 7 / Microsoft Windows 8.1 / Microsoft Windows 10 / Linux (most functions unavailable for Linux) Includes: 1 x Wireless Network Card