Optional frequency: LF/HF/UHF Optional communication protocol: Mtengo wa ISO14443A, ISO 15693, ISO 18000-6C/B Optional chips: EM4102, TK400, M1 S50, FM11RF08, I CODE SLI, omangidwa chip zitsanzo, Mtengo M4, etc.. Kuwerenga kutali: 1-5cm, UHF up to 1 mita (depending on antenna and card reader) Ntchito kutentha: -30℃~+300℃ Material: high temperature epoxy resin/FR4 Specifications: Φ10mm, Φ12mm, Φ16mm, Φ20mm, Φ25mm, Φ30mm, Φ40mm, Φ50mm, 10×10mm, 30×30mm, 10×20mm, …