These are the predessesors of the current Broadcastvision AXS-FMT(that I have) and are excellent quality certified for part 15 and Canada RSS-210. There's several available(new other) and at less than half the price of a new Broadcastvision.
Just thought this may be of interest to some.
https://www.ebay.ca/itm/NOS-Cardio-Theater-XTV-FMT-FM-Transmitter-w-Powe...