DSD TECH HM-20 Bluetooth 5.3 BLE Module for iPhone and Android Phone

DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan Bluetooth 5.3 BLE Module: The chipset is CC2340 from TI,Compared to the Bluetooth 4.0 module, this Bluetooth 5.3 BLE module has a faster transfer rate and a larger MTU. Compatible with HM-10: if you are using HM-10 now, you can quickly upgrade your board to Bluetooth 5.3 BLE. Free Software: DSD TECH offers a free app that you can get this module into work in 5 minutes. Please search "DSD TECH Bluetooth" in Google Play App store. Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this Bluetooth 5.3 BLE Module. All questions will be answered within 1 working day.