Case Studies

Lead Times Update 31 Jan 2024

LM Technologies is continuously liaising with suppliers to reduce any lead times where possible. We have updated lead times for new orders for the following products: LM811 – 8-10 Weeks…

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

Lead Times Update 31 Jan 2024

LM Technologies is continuously liaising with suppliers to reduce any lead times where possible. We have updated lead times for new orders for the following products: LM811 – 8-10 Weeks…

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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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