Iridium mono 2k IR 1040 06 V4
From Awesome Baozam
IRIDIUM Mono 2k (referred to as "IRD system" henceforth) is designed to protect merchandise in shops. It operates in the frequency range 7.9 – 8.5 MHz. It detects all kinds of tags of various manufacturers ("hard", "soft" and paper) which are designed for 8.2 MHz radio frequency systems.