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Laird Connectivity


Laird Connectivity Sterling-LWB5+ Wi-Fi & Bluetooth Modules

For Next-Generation Industrial IoT (IIoT)

Laird Connectivity’s new Sterling-LWB5+ Wi-Fi and Bluetooth Modules answer the call for next-gen wireless IoT with 802.11ac and Bluetooth 5.

Powered by Infineon’s CYW4373E silicon, the Sterling-LWB5+ is purpose-built for IoT connectivity through a secure, reliable, and robust feature set. The Sterling-LWB5+ is innovative IoT from the start: fully certified, easy to integrate, and is the fastest route to the market for IoT.

Laird Connectivity’s Sterling-LWB5+ modules are a truly robust industrial IoT device: one that’s rugged, small, simplifies Bills of Materials, is globally certified, has reliable connectivity, and easy to integrate.

The Sterling-LWB5+ is purpose-built for industrial IoT connectivity through a secure, reliable, and robust feature set which includes an integrated Power Amplifier (PA) and Low Noise Amplifier (LNA) with antenna diversity which tailors the LWB5+ to harsh RF environments.

The Sterling-LWB5+ supports the latest WPA3 security standards.

Reliable Connectivity

802.11ac Wi-Fi with integrated PA and LNA combined with Antenna Diversity add up to a reliable module for harsh RF conditions

Software Flexibility and Speed to Market

Open Sourced software and Linux Backports ensures compatibility with a wide variety of Linux kernels.

Industrial Operating Range

Designed to the industrial temperature range of -40 ºC to +85 ºC for every component utilized.

Global Certification

Carries several modular FCC, IC, CE, RCM, Giteki and Bluetooth SIG approvals (all pending).

Sterling-LWB5+ Features

  • 1x1 Wi-Fi 5 (802.11ac)
  • Optional Wi-Fi antenna diversity for reliable connectivity
  • Bluetooth 5 Bluetooth Low Energy (BLE)
  • Integrated Wi-Fi + Bluetooth coexistence for seamless connectivity
  • High Speed host interface: SDIO(WLAN)/UART(BT)
  • Industrial Temperature Rating (-40° to +85 °C) Ultra-small footprint (12 mm x 17 mm) including on-board antenna
  • List options of external antennas available
  • Rugged Design – solder down form factor
  • Global Certifications – FCC, IC, CE, Giteki, RCM (pending)
  • Linux Backports for broad kernel support


Sterling-LWB5+ Applications

  • Rugged Handheld Devices
  • Industrial IoT Connectivity
  • Battery-Powered Medical Devices
  • Industrial IoT Sensors

For full Sterling-LWB5+ product specifications, view the datasheet.




CYW4373E Single-Chip Dual Band WiFi IEEE 802.11ac a/b/g/n MAC/ Baseband/Radio with Bluetooth 5.0 for Industrial Applications

The Infineon CYW4373E single-chip device provides the highest level of integration for Industrial IoT wireless systems with integrated singlestream IEEE 802.11a/b/g/n/ac MAC/baseband/radio and Bluetooth 5.0 (Basic Rate, Enhanced Data Rate and Bluetooth Low Energy).

CYW4373E supports all rates specified in the IEEE 802.11 a/b/g/n/ac specifications. IEEE 802.11ac's 256 QAM is supported for MCS8 in 20 MHz channels and MCS8/MCS9 in 40 MHz & 80 MHz channels to enable data rates of up to 433.3 Mbps.

Included onchip are 2.4 GHz and 5 GHz power amplifiers and low-noise amplifiers. Optional external PAs and LNAs are also supported.

The CYW4373E brings the latest mobile connectivity technology for Industrial applications.It also offers Industrial/Extended (–40°C to +85°C) temperature performance.



Laird Connectivity LWB5+ Modules

Laird Connectivity LWB5+ Modules


Introducing the Sterling-LWB5+ Wi-Fi 5 + Bluetooth 5 Module


Unboxing the Sterling LWB5+ Development Kit
Sterling-LWB5+ - Yocto Integration Demo