The reader transmit and receive antennas shall have predominant EM field components that are co-polarized to the horizontal polarization specified for the transponder transmit and receive antennas in section 1704.3(a). Horizontal, linear, circular or elliptical polarizations are allowed.
The reader antenna location is site specific.
Cal. Code Regs. Tit. 21, § 1703.3
Note: Authority cited: Section 27565, Streets and Highways Code. Reference: Sections 27564 and 27565, Streets and Highways Code.