ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Hi all,

I'm looking for a very simple pager system, whereby a museum visitor can
press a button, which would activate a belt-worn vibrating pager for someone
to come assist the visitor.

I found several products online designed for elderly people, and they're
nice and cheap, but they all have a range of 100 ft. or less.  We need to
reach across two or three buildings and into a basement beneath a concrete
floor!  (Our museum is located at a former top-secret military base.)  I
also found some business-class systems which are WAY beyond what we need, in
both features and price.

Suggestions please?

- Evan

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