Looks like they are now supporting email messaging like SPOT. Nice to hear that given it is a more reliable and powerful system.
ACR is the company name, and PLB stands for Personal Locator Beacon.
figures. I bought one (without email)last month.
I bought mine two years ago, and it wasn't cheap. If it bails out my butt some day, I'll consider it money very well spent. I don't feel too bad that it won't email, play songs, or set up camp.