Electrical characteristics Internal chip: NXP U CODE 7, NXP U CODE 7m Communication protocol: الفئة EPC 1 الجنرال 2, ISO 18000-6C compliant Capacity: NXP U CODE 7: 128 bits EPC, no user memory NXP U CODE 7m: 128 bits EPC, 32 bits user memory Operating frequency: 902~928MHz Reading distance: Fixed reader: 8717mm و×: 7م (22 feet) 6020MM ×: 5.5م (18 feet) محمول باليد …