SIMATIC RF642L SmartLabel PET 50x 22.5x 1.6 mm on-metal label ISO 18000-63. EPCClass 1 Gen 2 Frequency 860 to 868 MHz. ETSI. chip type Ucode 7XM-2k. EPC 448 bit User memory 2048 bit. 500 units on one roll Minimum order quantity 500 units Minimum order quantity one role .