Data Sheet

ManualsBrandsLM Technologies ManualsElectronicsLM843 WiFi 802.11ac Bluetooth 5.0 2T2R Combi USB Module

Overview

Part No

Revised

Product

21/OCT/2020

Datasheet Version 1.7

See Last Page

LM843

Our LM843 Series WiFi 802.11ac + Bluetooth® 5.0 (Dual Mode) Combination SMT Module, oers 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.

Released under BT5.0 the products hardware is compliant to Bluetooth® 5.0 and oers Dual Mode compatabiliy 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®.

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

XCVR SMT USB Module

Certiﬁcation

The LM843 series will have United States of America FCC and European CE certiﬁcaitons completed prior to release.

Further countries will be added during the course of the products life and or by request. Our company has a wealth of experience and

has certiﬁed products all over the world, with access to a global network of local representatives, enabling fast certiﬁcation processing

when requested. Please enquire with us for further details.

LM843

Page 1 of 12

+44(0) 207 428 2647 | sales@lm-technologies.com

Features

802.11ac standard + MIMO on 5G

2T2R, Wave-2 Compliant + (2x2 ) MU-MIMO.

MIMO oers 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 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 dierent proﬁles and support for multiple Low Energy

positions (Sni / Sni Sub-rating)

REACH / RoHS / Low Halogen compliant.

Transmission

Modulation

5MHz / 10MHz / 20MHz / 40MHz / 80MHz

OFDM with BPSK, QPSK, 16QAM, 64QAM

and 256QAM.

Android

Summary of content (16 pages)

PAGE 1
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Last Page Revised 21/OCT/2020 Datasheet Version 7 Android 1.7 10 Features 802.11ac standard + MIMO on 5G 2T2R, Wave-2 Compliant + (2x2 ) MU-MIMO. MIMO offers extended bandwidth for reception and throughput Theoretical Maximum Bandwidths • 173.3 Mbps using 20MHz • 400. Mbps using 40MHz • 866.7Mbps using 80MHz USB 2.0 Maximum Throughput 480Mbps (58.7MBps) ISM Bands (2.
PAGE 2
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Last Page General Speciﬁcation Wireless Wireless Standards WiFi: 802.11ac, a b g n Bluetooth®: • Class 1. Dual Mode: 5.0, v4.2, v4.0 • Classic 2.1, 3.0, 3.
PAGE 3
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Last Page General Speciﬁcation (Continued) RF Characteristics WiFi: 802.11b: 11, 5.5, 2, 1 Mbps 802.11g: 54, 48, 36, 24, 18, 12, 9, 6 Mbps 802.11n: MCS0 to 7 for HT20MHz, MCS0 to 7 for HT40MHz 802.
PAGE 4
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Last Page General Speciﬁcation (Continued) RF Characteristics Tx Output Power (Typical) WiFi; 17dBm,EVM< 8% – 802.11b@CCK 11Mbps 15dBm,EVM< -25dB – 802.11g@OFDM 54Mbps 14dBm,EVM< -28dB – 802.11n@MCS7_HT20 14dBm,EVM< -28dB – 802.11n@MCS7_HT40 15dBm, EVM< -25dB – 802.11a@OFDM 54Mbps 12dBm, EVM< -32dB – 802.
PAGE 5
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Last Page Pin Outs 7 6 8 5 9 4 3 2 10 1 11 12 Pin Assignments Pin Signal Type Description 1 GPIO3 /WPS Output GPIO3. General Purpose Input/ Output Pin Shared with WPS Pin (Active Low). 2 VDD Power DC 3.3V 3 HSDM I/O USB 2.0 Transceiver Differential Pair 4 HSDP I/O USB 2.0 Transceiver Differential Pair 5 GND - Ground 6 GPIO8 /WL_LED I/O GPIO8.
PAGE 6
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Last Page Physical Dimensions / PCB Footprint ø1.85±0.050 ø2.00±0.050 IPEX Connector Dimensions 0.25 1.9 +-0.2mm 7.6mm 0.7mm 1.5mm 1.5mm 1.5mm 1.5mm 1.4mm 3.10 0.10 0.60 0.050 A A B ø1.70±0.050 23.61 mm 0.10 Ground Contact SECT A-A 0.90±0.05 0.35 Housing 0.05 Contact A 1mm A 2mm A 2.60±0.10 0.60 1.80±0.050 0.25±0.050 2.60±0.10 1mm 1.25±0.050 ø0.50±0.
PAGE 7
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Last Page Antenna Output Options RF Output is offered as either 2x IPEX or 2x Half Hole Terminal Neither of these modules have an antenna, for certiﬁcation purposes we have certifed these using an IPEX 3dBi IPEX to SMA Antenna, this enables your design to use any antenna up to a maximum of 3dBi Gain, above this level and our certiﬁcation will not be valid.
PAGE 8
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Last Page XCVR Block Diagram (2 x RF Half Hole Line Out) HOST INTERFACE USB 2.0 CONNECTOR 2.4GHz & 5GHz OTP 3.3V 8822CU RF_0 RF_1 XTAL 40MHz Tx / Rx DPX WiFi Line Out Tx / Rx DPX BT / WiFi Line Out XCVR Block Diagram (2 x IPEX Antennas) HOST INTERFACE USB 2.0 CONNECTOR 2.4GHz & 5GHz OTP 3.
PAGE 9
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Below Tape and Reel Packaging 1.50mm 4.0mm 40mm 25.6mm 16mm 44mm 2.0mm 20.2mm 1.75mm Tape Dimensions 0.3mm 12.60mm 2.4mm Reel Dimensions 330mm Notes Carton Dimensions (L x W x H): 395mm x 360mm x 305mm Quantities 1500 modules per Tape 5 Boxes per Carton 7500 modules per carton 49.4mm 100mm LM843 Page 9 of 12 +44(0) 207 428 2647 | sales@lm-technologies.
PAGE 10
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Below Packaging for Tape & Reel / Tray The trays/reels are stacked and inserted into an anti-static vacuum bag with a Humidity Indicator Card. On the outside of the bag are labels for Anti-Static, Model Name and Moisture Sensitivity Levels. drying agent Humidity Indicator Card Reels are place within a vacuum bag. Anti-static aluminium vacuum bag.
PAGE 11
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Below Datasheet Version Notes v0.2 v0.3 v1.0 v1.1 v1.2 v1.3 v1.4 v1.5 v1.6 v1.7 27 SEP 2019 03 OCT 2019 29 NOV2019 24 FEB 2020 17 MAR 2020 11 MAY 2020 15 MAY 2020 30 JUL 2020 10 AUG 2020 21 OCT 2020 LM843 Page 11 of 12 Revised information throughout. Revised information throughout. Win 10 removal. Antenna Option diagrams added. New image. Antenna Option Revisions.
PAGE 12
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Below LM843 Ordering Options MFT Part No. Product Description 843-8430 Invoice Description RF Bands Packaging Expected EOL MOD 802.11ac BT5.0 USB 2T2R IPEX PCS/SP ETSI S/SP 2029 843-8431 MOD 802.11ac BT5.0 USB 2T2R IPEX PCS/SP US S/SP 2029 843-8432 MOD 802.11ac BT5.0 USB 2T2R IPEX TRAY ETSI TRAY 2029 843-8433 MOD 802.11ac BT5.
PAGE 13
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Below List of applicable FCC rules FCC Part 15.247, FCC Part 15.407 Specific operational use conditions This product is a Single-modular transmitter policy independent of any host. Not applicable. Limited module procedures This product is a Single-modular transmitter. It is not a limited module. Not applicable. Trace antenna designs This product has an Integral antenna. Not applicable.
PAGE 14
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Below FCC Warning This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
PAGE 15
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Below Note 6: FCC ID label on the final system must be labeled with “Contains FCC ID: VVX-LM843” or “Contains transmitter module FCC ID: VVX-LM843”. Note 7: For all products market in US, OEM has to limit the operation channels in CH1 to CH11 for 2.4G band by supplied firmware programming tool. OEM shall not supply any tool or info to the end-user regarding to Regulatory Domain change.
PAGE 16
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module Product LM843 XCVR SMT USB Module Part No See Below This module is limited to OEM installation only and must not be sold to end-users, end-user has no manual instructions to remove or install the device, only software or operating procedure shall be placed in the end-user operating manual of final products. Additional testing and certification may be necessary when multiple modules are used.