LM840, WIFI and dual mode bluetooth adapter

LM840, WIFI and dual mode bluetooth adapter

The LM840 USB Adapter (Dongle) offers both Bluetooth® 4.2 Standard (Dual Mode) and IEEE 802.11ac Wi-Fi Standards of operation. This adapter is backwards compatible with Bluetooth v2.0, v2.1 and v3.0.

Supplied in a compact form factor allowing ease of use and unobstructed positioning. LM840 is based around a Transceiver chipset from Realtek, with the latest low power management reducing consumption compared with earlier versions or other brand competitors.

The LM840 provides high throughput for both WiFi and Bluetooth® connections. The Host Controller Interface (HCI) USB TYPE A connector plugs directly into a range of computers compatible with Linux, Windows, MacOS and Android devices.



  • WiFi 802.11ac, 802.11 a/b/g/n
  • Bluetooth® v4.2 (Backwards compatible with Bluetooth® v2.0, v2.1 and v3.0)
  • WPA, WPA-PSK, WPA2, WPA2 -PSK and WEP (64bit & 128bit) encryption schemes
  • Supports up to 433Mbps Data Transfer Rate under 5GHz, 1T1R
  • USB 2.0 (Full Speed) for data and power source
  • Operates in 2.4 GHz and 5GHz ISM Frequency bands
  • Support sophisticated WiFi/Bluetooth® coexistence mechanism to enhance performance
  • Supports MU-MIMO (Multi-User MIMO)
  • Linux (Kernel v4.12.12), Android 8.0 and Windows XP – 10 compatible
  • 22.3mm x 15mm x 8mm
  • See our website for this products certifications.
  • RoHS, REACH and WEEE


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