919 ble 4.2 module products are offered for sale by suppliers on Alibaba.com, of which bluetooth modules accounts for 38%, other ics accounts for 19%, and other communication & networking product accounts for 12%.
A wide variety of ble 4.2 module options are available to you, such as china, guangdong china.You can also choose from bluetooth 5.0, nrf52832 and esp32 ble 4.2 module,As well as from odm, original manufacturer ble 4.2 module,And whether ble 4.2 module is v4.2, {2}, or {3}.