Motorola OM 2000 Installation & Operation Manual page 71

Out of band modulator, software version 1.0.x
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G L O S S A RY
Quadrature Phase Shift Keying (QPSK)
A digital modulation method that combines two carriers that are 90 degrees out of
phase (in quadrature), resulting in four possible phase states.
R e e d - S o i o m o n e n c o d e r
A block-based encoding technique used for forward error correction.
User Datagram Protocol (UDP)
A transmission protocol that uses an IP address to identify the destination host and
a port number to identify the destination application.
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