| Brand | Bird |
|---|---|
| Compatible Brand | Bird Electronic |
| Type | Wattmeter |
| Country of Manufacture | United States |
| MPN | 4431 |
| Country of Origin | United States |
Check the listing for details. Bird Model 4431 Thruline(c) RF Wattmeter w/ Internal Variable RF Sampler. Condition: Used, Made in United States. Listed at 499.00 USD. The sampled output can be connected to any RF signal monitoring device such as a frequency counter, spectrum analyzer, or oscilloscope. The Model 4431 is easy to use and simple to service in the field.