LM842

Case Studies

Lead Times Update 22 Sep 2022

For new orders, due to extended lead times from our chip vendors/suppliers, we are experiencing delays for key components used in LM products which are impacting the normal production cycle.…

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
    • 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
    • NBTC - Thailand
    • NCC - Taiwan
    • NOM - Mexico
    • NTC - Philippines
    • NYCE - Mexico
    • 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

Lead Times Update 22 Sep 2022

For new orders, due to extended lead times from our chip vendors/suppliers, we are experiencing delays for key components used in LM products which are impacting the normal production cycle.…

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Drivers

LM842 RTL8822CU Windows 10 Driver (Bluetooth)

LM842_SOFT_WINDOWS_BLUETOOTH_DRIVER_0327_2020.zip

LM842 RTL8822CU Windows 10, 7 Drivers (WiFi)

LM842_SOFT_WINDOWS_WIFI_DRIVER_0128_2019.zip

LM842 RTL8822CU Linux Driver v5.9.0.1 (Bluetooth & WiFi)

LM842_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 LM842 ]

OTHER DECLARATIONS

ECCN / CCATS

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.

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
  • 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
  • NBTC - Thailand
  • NCC - Taiwan
  • NOM - Mexico
  • NTC - Philippines
  • NYCE - Mexico
  • RCM - Australia - New Zealand
  • SRRC - China
  • Telec - Japan
  • TRA - United Arab Emirates
  • Vietnam
Compliance
  • CCATS-ECCN
  • Reach
  • RoHS
  • WEEE

Documentation


SAFETY PRECAUTIONS

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* For any other product documentation please Contact Us

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