I just got a combo BCM943602CS from Taobao, Wifi and Bluetooth work well but i'm not able to get hand-off working. My spec: i7-700 + AMD RX570 +8Gb RAM, macOS 10.14.2
But, my friend, he also got another card (BCM943602CS) and everything works well on 10.13.6.
Anyone can confirm that hand-off...