For applications that require a greater level of performance, there is the Zebra ZBR4000 advanced inlay. Case, pallet, and item level tracking are among uses. The frequency and surface dependant read range of the Zebra ZBR4000 is up to 18m. The inlay is 91 mm by 35 mm. Uses the UCODE 8 chip from NXP in the Zebra ZBR4000.