I have both and the range on the 73 is complete crap. about 30 feet.. The range on the 732 is amazing.. I can go to my neighbors house with the remote and not lose the signal.. If you you ever do lose the signal, which only happens to me when I lay it down next to my laptop, (wi-fi interferes only when you get within 12-18" inches) an audible alert will warn you, unlike the 73. The 732 in a no-brainer.
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