The largest manufacturer of Gen 2-compliant ultrahigh-frequency (UHF) RFID readers is
- Motorola.
- Alien Technology,
- Applied Wireless RFID,
- CAEN RFID,
- GAO RFID,
- Impinj,
- Mojix and
- ThingMagic.
UHF chips
- Alien,
- Impinj and
- NXP Semiconductors.
UHF inlays
Source: What Are the Leading RFID Companies? – RFID JOURNAL