LM842

Case Studies

LM Technologies showcases innovative new Bluetooth® Auracast™ solutions in collaboration with Realtek at Embedded World 2025

  At Embedded World 2025 in Nuremberg, LM Technologies introduces it’s new range of Bluetooth Auracast innovations including the LM509 adapter and the LM923 module. These new products are ideal…

WiFi 802.11ac / Bluetooth® 5.0 2T2R USB Combi Adapter – LM842

£100.00

The LM842 USB Adapter (Dongle) complies with Bluetooth® 5.0 (Dual Mode) and IEEE 802.11ac WiFi Standards of operation.

Using a fully integrated single-chip that supports 2-stream 802.11ac solutions with Multi-user MIMO (Multiple-Input, Multiple-Output)

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Available: Out of stock

  • Tech Spec

    Additional Information

    Wireless Standard
    • BT 5
    • 802.11ac
    Backward Compatibility
    • Bluetooth 4.2
    • Bluetooth 4.1
    • Bluetooth 4.0
    • Bluetooth 3.0
    • Bluetooth 2.1
    • 802.11b
    • 802.11g
    • 802.11n
    Frequency

    2.4 GHz and 5 GHz

    Adapter Type

    Host Controller Interface (HCI)

    Interfaces
    • USB
    Antenna

    2 x Metal Frame Antennas, SMA Connector

    Antenna Option

    1 x Metal Frame Antenna + 1 x SMA Connector

    Compatible Antennas

    LM256 2dBi, LM255 1.5dBi, LM251 2dBi

    Dimensions
    • 32-37mm x 17.1mm x 9.4mm
    Operating Temperature
    • -20°C to +85°C
    Bluetooth Technology

    Bluetooth Classic, Bluetooth Low Energy (LE)

    Compatibility
    • Android
    • Linux
    • Windows 10
    • Windows 7
    Certifications
    • BTK - Turkey
    • Kominfo - Indonesia
    • PTA - Pakistan
    • Anatel - Brazil
    • Bluetooth SIG - UK
    • CE-Europe-RED
    • EAC - Russia
    • Enacom - Argentina
    • FCC - United States
    • IC - Canada
    • ICASA - South Africa
    • IDMA - Singapore
    • KCC - Korea
    • MoC - India
    • NBTC - Thailand
    • NCC - Taiwan
    • NOM - Mexico
    • NTC - Philippines
    • NYCE - Mexico
    • QAS SIRIM - Malaysia
    • RCM - Australia - New Zealand
    • SRRC - China
    • Telec - Japan
    • TRA - United Arab Emirates
    • Vietnam
    Compliance
    • CCATS-ECCN
    • Reach
    • RoHS
    • WEEE
  • Description

    Supplied in two option form factors With 2 x Onboard Metal Frame Antennas, or 1 x Metal Frame and 1 x SMA Compliant to; IEEE 802.11ac, abgn additional standards, Compliant to; Bluetooth® 5.0 and backward compatible with Bluetooth v2.1+EDR / v3.0 / v3.0+HS / v4.0, 4.1, & 4.2 with both BR/EDR. Bluetooth Low Energy (LE) and Classic can operate simultaneously. The Realtek IC, RTL8822CU using a USB main interface. LM842 offers high throughput for both WiFi and Bluetooth® connections, connected via a (HCI) USB 2.0 TYPE A interface.
  • Features

    • WiFi 802.11ac, abgn
    • Wave-2 compatible with MU-MIMO
    • Bluetooth® v5.0 Dual Mode (Backwards compatible from Bluetooth® v4.2)
    • WPA, WPA-PSK, WPA2, WPA2 -PSK and WEP (64bit & 128bit) encryption schemes
    • 2.4 GHz and 5GHz ISM Frequency bands
    • 2T2R 802.11n 2.4GHz WiFi 300Mbps data rate [Untested]
    • 2T2R 802.11ac 5GHz WiFi 867Mbps data rate [Untested]
    • 2T2R BT5.0 2.4GHz 1.3Mbps data rate [Tested]
    • WiFi/Bluetooth® coexistence enabled
    • USB 2.0 with multi interface controller
    • 32-37mm x 17.1mm x 9.4mm
    • Bluetooth® SIG, FCC & CE certifications prior to release.
    • RoHS, REACH and WEEE

Case Studies

LM Technologies showcases innovative new Bluetooth® Auracast™ solutions in collaboration with Realtek at Embedded World 2025

  At Embedded World 2025 in Nuremberg, LM Technologies introduces it’s new range of Bluetooth Auracast innovations including the LM509 adapter and the LM923 module. These new products are ideal…

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