HLK-B35 Serial WIFI+Bluetooth 5.0 Module
HLK-B35 Serial WIFI+Bluetooth 5.0 Module, 2.4G radio, Wi-fi 802.11b/g/n standard It is a module containing BLE5.0 based on Includes 32-bit RISC CPU. There is DFS frequency support from 1MHz to 192MHz. It has internal 276KB ram, 128Kb ROM, 1Kb eFus, 2m onboard flash.
System Framework

Specifications
- Supply Voltage: 3.3VDC
 - Chip: BL6XXX
 - Frequency: 2.402-2480Ghz
 - Protocol Standard: 2.4g WIFI + BLE 5.0
 - Transmission Power: 15-21 dBm
 - Flash: 276Kb / 2MB
 - Wireless Security: WPS /WEP/WPA/WPA2 Personal/WPA2Enterprise/WPA3
 - Size: 24x16.2mm