Glossary of terms used on this site

Glossary of terms used on this site

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Term Definition
Walk-by AMR

Legacy AMR technology where measuring personnel would have to walk by a meter in order for their radio receivers to pick up the metering data. See also: Drive-by AMR.


Acronym for Wide Area Network. A data network used over a large area, frequently used interchangeably with ‘Internet’.

Water meter size

Normally corresponds to the pipe bore, for example 1”. For some models a second designation refers to the matching pipe end connections. For example, a 5/8” x 3/4” meter has a nominal 5/8” and 3/4" straight pipe threads.


A wireless version of the LAN. In the AMR context, a Gateway might use a WiFi connection to access the Internet and send its data onto the Control Center.