i have them both, and yes they do work. i have only used the 154 up to now, but i put it outside attached to baking tray angled at about 35 degrees, and i can get aore and aorw and use jaero and sdc tekmanoid, without issues, and without a sawbird filter, the signal may only be 6 or 7 db, but its enough. i had to buy mine from the uk, and they took about 2 weeks to get to canada. there are videos out there by frugal radio and sdrplay team on youtube showing you them in action.