HN-1010/1510
Glossary of Terms
Refer to the following list of terms that may be unfamiliar to you. These terms are
used throughout this document.
Term
ARQ
bps
Decibel
dBi
dBm
DCE
DCD
DTE
EIRP
ISM
Latency
RMA
RTU
TDMA
Definition
Automatic Repeat Request. The operation in which the radio
will re-send the data until it is received correctly.
Bits-per-second. A measure of information transfer rate of
digital data across a channel.
A measure of the ratio between two signal levels. Used to
express either loss or gain.
Decibels referenced to an ideal isotropic radiator in free space.
Used to express antenna gain.
Decibels referenced to 1 milliwatt. An absolute unit used to
measure signal power. Transmitter power output or received
signal strength.
Data Communications Equipment. A device that receives data in
the form of digital signals at its input. The modem side of a
computer-to-modem connection.
Data Carrier Detect.
Data Terminal Equipment. A device that provides data in the
form of digital signals at its output. The computer side of a
computer-to-modem connection.
Effective Isotropic Radiated Power.
Industrial, Scientific, or Medical band operating at 2.4 GHz.
Allows use of a radio without a license, but the equipment must
be immune to interference from other users in the band and
approved for use in the intended country.
The delay between when data is received on TX until it is output
on RX.
Return Material Authorization.
Remote Terminal Unit. A device used in data collection.
Time Division Multi Access. A time slot multiplexing protocol
for multinode networking.
? 2000- 2004 Cirronet ? Inc
3
M-2410-0010 Rev A
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