Case Studies

LM842 and LM843 Linux Mainline Support Announcement

  LM Technologies is pleased to announce that Wi-Fi mainline support is now available for the LM842 and LM843 product series starting from Linux Kernel 6.2. What is Mainline Support?…

WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module – LM843

£100.00

Our LM843 Series WiFi 802.11ac + Bluetooth® 5.0 (Dual Mode) Combination SMT Module, offers a wide range of solutions and can support 2-stream 802.11ac with Multi-user MIMO (Multiple-Input, Multiple-Output) connections, while operating under enhanced power management.

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Available: Out of stock

  • Tech Spec

    Additional Information

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

    2.4 GHz and 5 GHz

    Module Type
    • Host Controller Interface (HCI)
    Interfaces
    • USB
    Antenna

    IPEX Receptical (x2), Metal Frame Antenna, RF Antenna

    Dimensions
    • 25mm x 12mm x 2mm
    Operating Temperature
    • -20°C to +60°C
    Bluetooth Technology

    Bluetooth Classic, Bluetooth Low Energy (LE)

    Compatibility
    • Android
    • Linux
    • Windows 10
    • Windows 7
    Compliance
    • Reach
    • RoHS
    • WEEE
    Certifications
    • Bluetooth SIG - UK
    • CE-Europe-RED
    • FCC - United States
  • Description

    Released under BT5.0 the products hardware is compliant to Bluetooth® 5.0 and offers Dual Mode compatibility with; Classic; 2.1 / 3.0 / 3.0+HS using either BR/EDR radio’s and Low Energy [LE] connections under Bluetooth 4.0, 4.1, 4.2 & 5.0 Classic and LE can operate multiple connections simultaneously using the USB 2.0 interface, onboard management for maximising throughput while multiple connections are open under WiFi and/or Bluetooth®.
  • Features

    • 802.11ac standard + MIMO on 5G
    • 2T2R, Wave-2 Compliant + (2×2 ) MU-MIMO. MIMO offers extended bandwidth for reception and throughput
    • USB 2.0 Maximum Throughput 480Mbps (58.7MBps)
    • ISM Bands (2.4GHz or 5GHz)
    • IEEE support: 802.11 a/ b/ g/ n/ ac/
    • Cross Standard Connections 802.11n connection and/or connected to 802.11a/b/g devices
    • Two antenna options are available; 2x IPEX, or 2x RF Line Out
    • Theoretical Maximum Bandwidths • 173.3 Mbps using 20MHz • 400. Mbps using 40MHz • 866.7Mbps using 80MHz
    • Bluetooth 5.0 Dual Mode Support for simultaneous connections over LE and BR/EDR
    • Enhanced BT/WIFI Coexistence Control to improve transmission quality in different profiles and support for multiple Low Energy positions (Sniff / Sniff Sub-rating)
    • REACH / RoHS / Low Halogen compliant.

Case Studies

LM842 and LM843 Linux Mainline Support Announcement

  LM Technologies is pleased to announce that Wi-Fi mainline support is now available for the LM842 and LM843 product series starting from Linux Kernel 6.2. What is Mainline Support?…

Resources

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Alerts for EOL, PCN and products updates

Drivers

LM843 RTL8822CU Windows 10 Driver (Bluetooth)

LM843_SOFT_WINDOWS_BLUETOOTH_DRIVER_0327_2020.zip

LM843 RTL8822CU Windows 10, 7 Drivers (WiFi)

LM843_SOFT_WINDOWS_WIFI_DRIVER_0128_2019.zip

LM843 RTL8822CU Linux Driver v5.9.0.1 (Bluetooth & WiFi)

LM843_SOFT_WIFI_BT_LINUX_v5.9.0.1_36324_2020.zip

Note: Please enquire directly for the Realtek Linux Bluetooth® Porting Guide which includes instructions for porting BlueZ and Bluetooth® drivers.

Certifications

Bluetooth SIG Certified [ Verify our SIG certification of LM843 ]

OTHER DECLARATIONS

ECCN / CCATS

Released under BT5.0 the products hardware is compliant to Bluetooth® 5.0 and offers Dual Mode compatibility with; Classic; 2.1 / 3.0 / 3.0+HS using either BR/EDR radio’s and Low Energy [LE] connections under Bluetooth 4.0, 4.1, 4.2 & 5.0 Classic and LE can operate multiple connections simultaneously using the USB 2.0 interface, onboard management for maximising throughput while multiple connections are open under WiFi and/or Bluetooth®.

Additional information

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

2.4 GHz and 5 GHz

Module Type
  • Host Controller Interface (HCI)
Interfaces
  • USB
Antenna

IPEX Receptical (x2), Metal Frame Antenna, RF Antenna

Dimensions
  • 25mm x 12mm x 2mm
Operating Temperature
  • -20°C to +60°C
Bluetooth Technology

Bluetooth Classic, Bluetooth Low Energy (LE)

Compatibility
  • Android
  • Linux
  • Windows 10
  • Windows 7
Compliance
  • Reach
  • RoHS
  • WEEE
Certifications
  • Bluetooth SIG - UK
  • CE-Europe-RED
  • FCC - United States
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