Wi-Fi HaLow Radio Technology 19
Glossary of Terms
Term Description
Receiver The receiver end of a wireless communication link.
In this whitepaper, this refers to EM130 module on the Data Collector.
Transmitter The transmitter end of a wireless communication link.
In this whitepaper, this refers to the Trimble SX12 instrument.
Wi-Fi HaLow Wi-Fi HaLow is the trademarked name for the wireless technology defined as
part of IEEE 802.11ah standard.
EMI Electromagnetic Interference
Refers to when a source of electromagnetic wave radiation causes
performance issues on a desired signal or communication link
RSSI Received Signal Strength Indicator
An indicator of the power of radio frequency waves received at receiver end of
a wireless communication link.
The unit is dBm and usually a negative value. The lower value indicates a lower
power.
ISM Industrial, Scientific, Medical
In the world of radio engineering and regulation, it refers to devices that have
application in any of industrial, scientific, and medical applications as defined
by radio communication regulatory bodies.
ISM band refers to a portion of the radio spectrum that is allocated by radio
communication bodies to devices within industrial, scientific, and medical
applications.
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