We promise every one chip will use the original genuine brand all new chip.Operation Voltage 3.3V ,Support 2.4GHz WiFi And Bluetooth 4.2
Compliant with IEEE 802.11n, IEEE 802.11g, IEEE 802.11b standards
SDIO interface for Wi-Fi to connect with host processor
The Wi-Fi throughput can go up to 150Mbps in theory by using 1x1 802.11n b/g/n MIMO technology
high speed UART interface for BT.
It also has a PCM interface for audio data transmission
Bluetooth can support BT2.1+EDR/BT3.0 and BT4.2.
Design For Reference