Model 4391A (Bird) Features and Specifications *

The 4391A RF Wattmeter is an efficient tool for monitoring Peak Pulse Power, Peak Envelope Power, or CW Power in either the forward or reflected direction during regular equipment operations. This wattmeter is specifically designed for use in air navigational aids, including DME and ATC systems, as well as other pulsed RF systems such as telemetry, radar, and command and control. The 4391A wattmeter does not require attenuators, directional couplers, or charts, making it a convenient and easy-to-use option for professionals in the aviation industry. 

The Bird 4391A price and features make it a very attractive option comparing to similar RF wattmeters available on the market.

• Calculates SWR, return loss in dB and 5 modulation
• Frequency: 0.45 - 2700 MHz. Power: 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
• Shock-resistant keyboard and range switches. RFI protection. Built-in international power supply/charger

* BIRD 4391A technical specifications is provided for reference only. Avionteq cannot ensure accuracy of the technical specifications presented herein. The technical data may not relate entirely to all model and versions of the 4391A such as the models sold by Avionteq.

BIRD 4391A NAV/COMM Test Sets to Buy, Rent, Sell or Trade in

Avionteq offers both new and refurbished or used BIRD 4391A RF Wattmeter for sale or rent at most competitive price. All refurbished equipment are thoroughly tested and come with our warranty and fresh calibration certificate (when required). You can also sell your excess / surplus BIRD 4391A or receive trade-in credit towards purchase of other test equipment.