TiVo Bolt DVR/Streamer
I asked Tivo customer support as to whether these models had over the air tuners.
The answer I got was:
"This promotion is all about S2/S3/S4 and S5 PLS(Lifetime) customers, that have dialed in within the last 12 months (7/22/18 - 7/21/19) will be eligible to purchase any New TiVo BOLT VOX 500...