Sterling™-LWB5+ WiFi 5 with BLUETOOTH® 5.2 Modules Ezurio Sterling™-LWB5+ Wi-Fi® 5 with BLUETOOTH® 5.2 module is based upon the Infineon AIROC™ CYW43439 chipset and is a member of the Sterling-LWB radio family. This embedded module series is available as a System-in-Package (SIP) and two certified module versions, supporting either an onboard chip antenna or an MHF Connector for an external antenna.