2.RDA5836TE: Bluetooth 4.1, which supports the master transmitter, is an upgrade version of 5856, modifying most of the performance of 5856 and greatly improving the overall performance of the 5856 chipset.
3.RDA5836Q24: Bluetooth version 4.1, Bluetooth headset chipset, SMALL PACKAGE of QFN, support Bluetooth audio transmitter
4.SC5842: This is RDA's latest Bluetooth chip. It also RDA's highest performance chip, Bluetooth 5.0 version, support SPP/BLE, TWS, audio transmitter.
Feasycom have some module which adopts RDA chipset.
FSC-BT956 | RDA5836 | A2DP(Source+Sink)+AVRCP+ SPP | Analog Audio only |
FSC-BT956B | RDA5856 | A2DP SINK | Digital Audio and Analog Audio |