I have an Antenna

Dimensions are 16"x15" 

DTC    4044137 Assy Ant RHCP

RHCP 2.4 - 2.5 Ghz , range    17 dBic

Any questions please let me know.

Found this online not actually sure if its applicable..

Markets and Applications include:
Features
  • High Performance Multi-tag read/write Capabilities
  • Lightweight, Concealable Design
  • Right Hand Circular Polarized
  • 2.4 to 2.5 GHz Frequency Range
  • Type N Male Connector
Application
  • Radio Frequency Identification
  • Inventory Management
  • Access Control
  • Data Collection
  • Asset Tracking
  • Livestock Management