Bluetooth Module, UHF Module, R F Modules, UHF Module, Bluetooth Accessories,

 DA14531MOD Series 3.6 V -93 dBm Sensitivity Surface Mount Bluetooth LE Module

https://www.futureelectronics.com/p/semiconductors--wireless-rf--rf-modules-solutions--bluetooth/da14531mod-00f01002-dialog-semiconductor-8189021