The medium signal threshold of CMDA 1xRTT RSSI. The absolute
value of h3c3GCdma1xRttRssiMediumThreshold should be less than
or equal to the absolute value of h3c3GCdma1xRttRssiWeakThreshold
(|h3c3GCdma1xRttRssiMediumThreshold| <= |h3c3GCdma1xRttRssiWeakThreshold|).