D

data protocols in ISO standards, 233

data transfer rates in EPC classes, 91

Datamax, 259

default printer gateways, 153

dense reader mode (DRM)

in EPC classes, 92

interference rejection testing, 127

interrogation zones, 40–41

power requirements, 125

smart readers, 28

dependencies in deployment, 215

deployment and installation, 171–172

communications in, 180–182

conformance control in, 182

design documents in, 183–185, 183, 185

exam essentials, 193–194

key terms, 194

logistics and access management in, 179

methodology for, 172–173

on-boarding and checkpointing in, 182

optimizing, 214–215

plans of action and milestones in, 174–175

Quality Assurance team in, 173–174

quality control processes in, 176–179, 176–177, 182

reader optimization in, 185–186

review questions, 195–200

site assessment in, 186–192, 188, 190–191

summary, 192–193

Technical Design Review Team in, 173

depth of penetration, 12

design documents, 183–185, 183, 185

destructive interference, 6–7

deterministic anticollision mechanisms, 42

diagnosis in troubleshooting, 205–207, 207

dielectric effect, 9

differential time of arrival (DTOA), 160

digital signal processor (DSP) chips, 123

dipoles

fields around, 11

orientation, 102, 103–104

in site analysis, 60–62, 65–67

direct current (DC), 4

direct thermal printing, 151–152

disaster preparation, 184–185, 185

distance testing in UHF systems, 124–125

diverters, 158

dock doors, 38–39

documenting alerts, 159

DOD Construct identifier, 243

DRM. See dense reader mode (DRM)

DSP (digital signal processor) chips, 123

DTOA (differential time of arrival), 160

dumb readers, 28

dwell time, interrogation zones, 34, 35

dynamic air gaps in tag placement, 101

dynamic testing in tag placement, 106