Have Tablo 4-Turner with current firmware
74FD

Using 2015 Roku 4 with latest firmware.

Network includes:

ASUS RT-AC87U Wireless-AC2400 Dual Band Gigabit Router

Motorola ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem

Comcast Blast internet Download 50 Mbps(give or take) Upload about12Mbps

GE ultra edge series indoor antenna 11264