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The product is low frequency RFID product. They're 134.2KHz and 125KHz.There have two colors you can choose, yellow and pink. Read range is about 50cm.It used to trace the process of growth of animal. It designed as an earring to avoid animal to begnaw it because their curiosity.
RFID ear tag
Shenzhen Smartchip Ltd. Co.
animal tags, fixed reader, portable reader, button,
