Optional frequency: LF/HF/UHF Optional communication protocol: ISO14443A, ISO ISO 15693, ISO 18000-6C/B Optional chips: EM4102, TK400, S50 M1, FM11RF08, I CODE SLI, H3 aliena, M4 Impinj, etc.. Lectio procul: 1-5cm, UHF usque ad * 1 meter (depending on antenna and card reader) operationem temperatus: -30℃~+300℃ Material: high temperature epoxy resin/FR4 Specifications: Φ10mm, Φ12mm, Φ16mm, Φ20mm, Φ25mm, Φ30mm, Φ40mm, Φ50mm, 10x 10mm, 30x 30mm, 10× 20mm, …