Version 1.0 Samsung Electronics page 1 of 6User manual of WCH730B1. IntroductionWCH730B is a Wi-Fi / Bluetooth Combo module compliant with IEEE802.11a/b/g/n/ac MAC/baseband/radioand Bluetooth 4.1+HS optimized for low-power applications.The core chipset is from Broadcom, part number BCM435692. Hardware Architecture:2.1 Main Chipset InformationItem Vendor Part NumberIEEE802.11 a.b.g.n.acmac/baseband/radioBluetooth 4.1 + HSBroadcom BCM435692.2 Circuit Block DiagramThe major internal and external block diagram of WCH730B is illustrated in Figure 1-1.Figure 1-1 WCH730B block diagram and System Interface