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, Eksterterano H3, Impinj M4, ktp. Legado distanco: 1-5cm, UHF up to 1 metro (depending on antenna and card reader) laborante temperaturo: -30℃~+300℃ Material: high temperature epoxy resin/FR4 Specifications: Φ10mm, Φ12mm, Φ16mm, Φ20mm, Φ25mm, Φ30mm, Φ40mm, Φ50mm, 10× 10mm, 30× 30mm, 10× 20mm, …