and it works as advertised

Works as advertised.

The product works as advertised and has been dependable

The device is not as reliable as I'd like as far as connectivity and ability to send the emergency SMS message.

it won't work as that's about 40' with a standard hollow core door between.

n’t had an “emergency” to have to really use it yet

compatible!I sure would have appreciated finding that out before I opened the package, and I thought I did my part in finding out ahead of time