Optional frequency: LF/HF/UHF Optional communication protocol: ISO14443A, .ISO 15693, ISO 18000-6C/B Optional chips: EM4102, TK400, M1 S50, FM11RF08, I CODE SLI, dayuhan h3, Impinj M4, atbp. Reading distance: 1-5cm, UHF up to 1 meter (depending on antenna and card reader) Nagtatrabaho temperatura: -30℃~+300℃ Material: high temperature epoxy resin/FR4 Specifications: Φ10mm, Φ12mm, Φ16mm, Φ20mm, Φ25mm, Φ30mm, Φ40mm, Φ50mm, 10×10mm, 30×30mm, 10×20mm, …