Custom RFID UHF metal tag long distance

Functional Specifications: RFID Protocol EPCglobal and ISO 18000-63 compliant, Gen2v2 compliant Frequency Global Frequency, 840MHz to 940MHz IC type Impinj Monza R6-P Memory EPC128bits , USER64bits, TID96bits Write Cycles 100,000times Functionality Read/write Data Retention Up to 50 Years Applicable Surface Metal Surfaces Read Range(On Metal) : (Fix Reader:ThingMagic M6-E, 36dBm/4W) Up to 9.8m , on metal Up to 4.8m , off metal Read Range(On Metal) : (Handheld Reader: OP9908,R2000,33dBm/2W) Up to 6.0m , on metal Up to 2.8m , off metal Warranty 1 Year Physical Specification: Size 87x24mm, (Hole: D5mm) Thickness 11mm Material PC Colour Black (Red, Blue, Green, White) Mounting Methods Adhesive, Screw Weight 19.0g Enivironmenal Specification: IP Rating IP67 Storage Temperature -30°C to +70°C Operation Temperature -30°C to +70°C Certifications Reach Approved,RoHS Approved,CE Approved