... 50mm (depending on antenna geometry)Anticollision: noApplications:Access control systems, Time attendance systems, Loyalty program, Staff identificationCompatible with EM4100/EM4200MOQ: 500pcsShipping By ... Air / Sea or on your demandPayment: T/T,WesterUnion,PaypalLead time: 3-8 working days after the receipt of 50% deposit ...