IDT 87 I & 87 IN is our most advanced integrated reader with read-and-write capability. It includes 9 dBi integrated circular polarized antenna with a read range up to 14 meters (tag and environment dependent). Integrated with Impinj Indy R2000 chip, which gives the device impeccable performance, especially in ETC applications. It has an advanced antenna design that automatically optimizes its operation to the environmentdelivering peak performance at all times perfect for automatic vehicle identification applications.Easy-to-install and use, the IDT 87 I & 87 IN unit carries an IP 66 & IP 68 rating making it best suitable for Parking Lot Management, ETC, Warehouse Management, Employee Student Tracking, Vehicle Management, and others.