Protocol: ISO18000-2 Frequency : 125KHz Antenna: Copper Material: ABS Storage Temperature: -55°C + 120°C Operating Temperature: -25°C + 85°C Option: Waterproof, UV protect, with 3M sticker, Laser Printing   RFID(Radio Frequency Identification) design for rugged and high temperature environment Low frequency, High frequency, Ultra High frequency, dual frequency (LF+HF, HF+UHF, LF+UHF) Application : Logistics management, Warehouse management, IIOT, Industry 4.0, Asset management, Inventory supply chain management It is a very sturdy transponder with IP65 protection, and it can works in LF and HF. It has a central hole and ahesive foam on the back, which it allows to be esily applied son any surface (metal, wood, plastic). Thanks to its form it can be used for many applications, also because it can integrate a NFC (Near Field Communication) chip.   ABS material color: standard transponder is supplied with black color; but are available also different color on demand, like white, red, blue, yellow.