Size & Dimension Requirements Width: 2.0 to 3.3 inches (preferred range: 2.0–2.5 inches) Height: Approximately 1 inch Thickness: Approximately 1.0 to 1.25 mm (thinner is preferred, provided the tag reads reliably on metal surfaces) Foam standoff optional (Tags must read reliably on metal surfaces, laptops, and tablets; testing has shown foam standoffs improve performance on technology assets) RFID Performance Requirements Must function on metal surfaces without significant signal degradation Readable at a minimum range of 9 feet (line of sight) on metal surfaces (greater range is preferred) Must comply with EPCglobal Class 1 Gen 2 RF protocol (ISO 18000-63) Tags will be read in a variety of circumstances, including: 1. On desks 2. In backpacks 3. In storage cabinets 4. Stacked on shelving 5. In metal charging cabinets with doors open (close range) Adhesive & Durability Requirements - Semi-permanent adhesive to deter student removal - UV stable for indoor and outdoor use - Water and sweat resistant, adhesive should remain stable with exposure to moisture - Must withstand exposure to common cleaning agents and conditions, including: - Isopropyl alcohol (up to 70%) - Ammonia-based cleaners (e.g., glass/screen cleaners) - Mild detergents and disinfecting wipes - Bleach-free disinfectants (e.g., quaternary ammonium compounds) - Must resist water, dust, and mild mechanical abrasion
