These steel wire cable seals are widely used in many deferent industries such as mining, gas & oil, chemistry, logistics, factories and communication industries as asset management and tracking tags. We provide all kinds of frequency products, LH (low frequency) 125KHz, HF (high frequency) 13.56MHz, UHF (ultrahigh frequency) 840~960MHz. Read range from 0.1~5m. Colors, size, shape is customizable. We provide fast prototyping service. Welcome your inquiries and orders!