Physical Layer Wireless-Interface Features
Wireless features operate at the physical layer; therefore, your wireless-interface feature evaluation covers a broad range of features. The following sections cover these feature categories:
NLOS— Non line-of-sight and near line-of-sight equipment capabilities
Wireless frequency bands— Propagation characteristics and equipment availability for each of the license-free bands
Modulation types— Various types of modulation used by license-free equipment
Bandwidth and throughput— Tradeoffs between data rate, data throughput, and link distance
Noise and interference-reduction features— Receiver and antenna features that improve signal reception abilities
Security— Physical layer wireless security features ...
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