apm8811 BT4.0 Dual Mode Module
apm8811 Bluetooth Module is a HCI ROM Dual Mode BT module. It needs a host processor is capable of running the Bluetooth software stack. This means when there is a host processor in the system; apm8811 will be more cost effective compare to BT modules who can work standalone.
apm8142 BT2.0+EDR HCI Module
With the on-chip CSR Bluetooth software stack it provides a fully compliant Bluetooth system to v2.0+EDR of the specification for data and voice communications.