... a flexible and convenient solution for card manufacturer to make smart card;Inlay is customed with different antenna format ... ordual-interface modules & etc.• Any Antenna Format: Round, Square, Rectangle & etc.• Any Inlay Format: 2x4, 3x7, 3x8, 4x8, 5x5 ... : 0.4~0.5 ±0.02mmInlay Technical FeaturesAvailable Inlay format:2x3, 2x4, 2x5, 3x6, 3x7, 3x8, 4x4, ... 520mmOperating Temperature: -20°C~+50°C; blank card