This paper evaluates the performance of a linear, low-power and blocker tolerant quadrature phase shift frequency selective (QPS-FS) receiver in the presence of blockers. The QPS-FS receiver has been tested to tolerate more than 0 dBm of continuous wave (CW) blocker power at a frequency offset of 40 MHz away from the RF signal carrier frequency with 6 dB degradation in the voltage conversion gain and without any significant loss in the receiver performance in terms of error vector magnitude (EVM) between the transmitted and the received constellation points. The QPS-FS receiver separates the undesired blockers and interferers from the desired band RF signal, which are collected for energy harvesting purposes.