Dave wrote:
Low signal strength at the OP location would infer that it is not fit
for use.

Nope, having a low signal strength has NOTHING to do with the "box"
[c.f. tyres may be capable of a gazzilion miles an hour but fitting
those tyres does not make your engine powerfull enough to power the car
at a gazzilion miles an hour], it should never have been bought in the
first place.
--
This post contains no hidden meanings, no implications and certainly no
hidden agendas so it should be taken at face value. The wrong words
may be used this is due to my limitations with the English language .