Gain

General Packet Radio Service

Global Positioning System (GPS)

Global System for Mobile Communications

Harvested Power -- See Backscatter

Hash Function -- See Cryptographic Hash Function

Hertz

IBM Commercial ("The boxes knew we were lost.")

Inductive Coupling

Inlay

Inlet -- See Inlay

Integrated Chip Card -- See Smart Card

International System of Units (SI)

Internet of Things

Interoperability

Interrogation Tunnel

Interrogator

Isotropic Antenna

Item Level Tagging

Job Listings -- See Career Centers

Listen Before Talk (LBT)

Lower Sideband (LSB) -- See Sideband