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Bird model 4391M thruline wattmeter rf power analyst
Bird Model 4391M Thruline Wattmeter RF Power Analyst
NSN No. 6625-01-227-4370 Contract No. F41608-89-C-2888
The Model 4319A is a Rugged RF Power Analyst that monitors Peak Pulse Power, Peak Envelope Power, or CW Power during normal equipment operations in the forward or reflected direction.
* Frequency Range: 0.45 - 2700 MHz
* Power Range: 100 Mw 10 kW
* Reads forward and reflected CW or FM power in watts or dBm, Peak Envelope Power of SSB/DSB and symmetrical AM in watts
* Calculates SWR, return loss in dB and 5 modulation
* Shock-resistant keyboard and range switches. RFI protection. Buitl-in international power supply/charger