Sterling™ LWB+ Wi-Fi® 4 & BLUETOOTH® 5.2 Modules Ezurio Sterling™ LWB+ Wi-Fi® 4 and BLUETOOTH® 5.2 Modules are based upon the Infineon AIROC™ CYW43439 chipset. The Sterling LWB+ Modules are a System-in-Package (SIP) with two certified module versions, supporting either an onboard chip antenna or an MHF connector for an external antenna. The Sterling LWB+ is intended to meet medical and industrial IoT connectivity requirements.