SOS = single antenna analogue beaconi personally think that looks like a cheap horrible beacon and way to turn it off and on i mean if your in an avalanche what if it gets turned off while in the avy i have a sos way better beacon in my opinion sorry but just the way it looks to me
DTS Tracker = multiple antenna digital
SOS are low end beacons, and perform as such. DTS is a way better unit.... stronger tx strength, sensitive rx. way easier search mode.
but you are entitled to your opinion.
send it out Sami, I'm sure it would be cheap and good for a spare once you get the Tracker II.