LM842

Case Studies

UKCA Update December 2022

The UK Government will continue to recognise the CE product marking until 31 December 2024 The UK Conformity Assessed (UKCA) marking has been introduced as part of the UK’s own robust regulatory…

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

UKCA Update December 2022

The UK Government will continue to recognise the CE product marking until 31 December 2024 The UK Conformity Assessed (UKCA) marking has been introduced as part of the UK’s own robust regulatory…

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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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