The 75499-FG is a high-performance, 9.5 dBiC gain, Circularly Polarized RFID ground Mat Antenna. This unit operates in the FCC UHF RFID range of 902-928 Mhz, will work well in industrial applications, and especially RFID Race Timing / Chip Timing.  Made of rugged, Grey-900, molded polyurethane, the unit measures 48 x 24 inches. At only 0.5 inches thick, this is perfect for RFID/chip race timing, is ADA compliant (it is NOT a trip hazard) and can handle the weight of runners and bikers as well as emergency vehicles, garbage trucks, etc. Ships with an integrated 12 inch Pigtail cable with SMA-Female Connector and multiple cable extension options are available.