This write-up summarizes the Realtek RTL8852BE Wi‑Fi 6 (802.11ax) PCIe adapter commonly found in modern Lenovo laptops, covering hardware overview, performance expectations, drivers and OS support, troubleshooting tips, and recommendations for deployment.
| Feature | Specification | |---------|----------------| | Wi-Fi Standard | 802.11a/b/g/n/ac/ax (Wi-Fi 6) | | Frequency Bands | 2.4 GHz, 5 GHz (no 6 GHz band; not Wi-Fi 6E) | | MIMO | 2×2 (two transmit, two receive streams) | | Max Data Rate | Up to 1200 Mbps on 5 GHz (80 MHz channel) / Up to 574 Mbps on 2.4 GHz | | Bus Interface | PCIe (for WLAN), USB (for Bluetooth) | | Bluetooth Version | 5.2 (or 5.3 depending on driver/firmware) | | Antenna Connectors | 2x IPEX MHF4 (or similar) | realtek rtl8852be wifi 6 802.11ax pcie adapter lenovo
Q: Does Linux support this card?
A: As of kernel 6.2+, basic support exists. However, you will need to install rtw89 firmware. Ubuntu 24.04 LTS works decently. Fedora requires manual compilation. Intel AX210 is vastly superior for Linux. Realtek RTL8852BE (Wi‑Fi 6 / 802
. This restores all network components to factory settings (have your Wi-Fi password ready). WLAN AutoConfig : Ensure the "WLAN AutoConfig" service is running. Press services.msc , find the service, and set its startup type to 3. Performance & Speed Optimization Supports WiFi 6 (802