Daiwa CN-501H 1.8-150 MHz Cross-Needle SWR/Power Meter w/ SO-239 Connectors. These meters are the replacement for CN-101L due to changes to the toggle switches on the front panel have been replaced with push-button switches. The Cross-needle movement allows the simultaneous monitoring of forward power, reflected power, and SWR, all without the need of an extra calibration procedure. The meter is switchable for 15W-1.5KW full scale readings, and has a built-in lamp which can be powered from an external 13.8 vDC source. Supplied with a DC power cord, which is only required for powering the built-in lamp.