MARS's MA-WC910-RHCP11B 860 – 960 MHz circular polarization, RFID reader antenna, 11 dBi. The RFID antenna from Mars is an innovative antenna that adds flexibility to the RFID system. This antenna covers the standard 902 – 928 MHz RFID frequency, as well as a wide frequency band of 860 – 960 MHz with a RHCP circular polarization, low VSWR, and axial ratio. It includes MNT-23.