| Specification: | Bird 43 THRULINE Directional Wattmeter instruments for continuous monitoring of either transmitter or reflected power. Frequency range ( 0.45 - 2700 MHz) and power range ( 100 mW - 10 KW) with using Bird Plugin Elements. Includes a 30-microampere meter with scales of 25, 50, and 100 unit calibrations. Peak reading models read true peak power output at ? 8% of full-scale accuracy |