Vendors by technology

Low Frequency (125-134 kHz) High Frequency (13.56 MHz) UHF USA (915 MHz) UHF Europe (868 MHz) UHF Japan (925 MHz) Microwave (2.45 GHz) Passive (without battery) Semi-active Active (battery powered) Combined with sensors

Active (battery powered)

ACCURA
CHAINLINK
CLARITY
ELATEC
IDENTEC SOLUTIONS
IDENTECH PARTNERS
PEPPERL+FUCHS
RF-IT
SEEBURGER

STEPHANE PIQUE
TAGNOLOGY
TRICON