D-Link DIR-816L (Ver.B1)
After the previous DIR-820L-A1 & DIR-850L-A1 test units, I was commenting/suggesting certain things to D-Link Malaysia sales person with regards to routers for UniFi. I was surprised recently they wrote UniFi custom firmware (3 digits VLANs @ ports) on another RealTek SoC, the DIR-816L-B1--> this time a budget DualBand AC750 small size mydlink Cloud Router with 2 external antenna, even comes with a USB2 port, nice 
Thanks to D-Link Malaysia again for the test unit, glad to see D-Link is getting more aggressive to provide more after-market routers optoin for UniFi users 
Photo
Product Information / Reference:
- https://wikidevi.com/wiki/D-Link_DIR-816L_rev_A1 (FCC ID the same with Rev.A1)
(Note: This model still new over here, not many information available)
UniFi Connection - OK!!
Custom FW works well on both Vlan 500 (internet) & 600 (IPTV), in fact this is the 2nd FW released already, nice job D-Link
IPv6 works right out of the box 
SpeedTest on VIP10
YouTube streaming on 720p & 1080p with IPv6
UniFi Setup
My setup as follows:
Wireless
Pulling some gears connected to the device, connection rate shown :
Stay tuned for wireless testing result