Realtek Rtl8723b Wireless Lan 802.11n Usb 2.0 Network Adapter May 2026

A: Typically 70–100 Mbps under good conditions (close to router, no interference). 150 Mbps is the PHY link rate.

sudo apt update sudo apt install firmware-realtek sudo modprobe rtl8xxxu | Issue | Solution | | :--- | :--- | | Adapter not detected | Try a different USB port (preferably USB 2.0, not 3.0). Avoid USB hubs. | | Low signal or disconnects | The antenna is small. Use a USB extension cable to move the adapter away from metal/other USB 3.0 devices (which cause interference). | | Slow speed (only 54 Mbps) | Your router might be in 802.11g mode. Force router to 802.11n only, or change adapter setting in Device Manager > Advanced > 802.11n mode to "Enabled". | | Bluetooth not working | Ensure the internal USB pin for BT is connected (if module). For USB dongles, BT appears as a separate device in Device Manager – install BT driver separately. | | Driver fails to install | Disable driver signature enforcement (Windows 10/11) temporarily or install in Safe Mode. | 6. FAQ (For Product Page) Q: Is this adapter dual-band (2.4 GHz + 5 GHz)? A: No. The RTL8723B supports 2.4 GHz only . It will not see 5 GHz networks. A: Typically 70–100 Mbps under good conditions (close

A: Yes, using Windows 10 drivers or native inbox drivers. For full features, use the latest Realtek driver. Avoid USB hubs

A: Limited. The USB variant of RTL8723B generally does not support monitor mode well in Linux. Use an RTL8188 or RTL8812 for that. | | Slow speed (only 54 Mbps) | Your router might be in 802

A: That is the generic Microsoft driver. It works for basic connectivity but may lack advanced features (e.g., WPS, AP mode). Install the vendor driver to see the full name. 7. Disclaimer for Listing Note: This adapter is based on the Realtek RTL8723B chipset. Performance may vary depending on USB port quality, router capability, environmental interference, and operating system version. Bluetooth function depends on whether your specific USB dongle or embedded module includes the combined firmware and antenna sharing circuit. Please confirm with your seller if Bluetooth 4.0 is enabled.