Product Information
75 Watt Attenuators
Bird’s 75-A Series is a rugged, convection-cooled 75 W RF attenuator engineered for reliable, mid-frequency attenuation up to 3 GHz—ideal for:
- Reducing RF signal levels in test environments
- Protecting components in live systems
- Maintaining signal integrity without distortion or external power
- Bi-directional use in lab, field, or system integration
With durable construction, full shielding, and maintenance-free performance, the 75-A Series delivers trusted attenuation in a compact, self-cooling design built for everyday RF challenges.
Reliable Attenuation for Critical RF Systems
In RF, a weak link costs time, damages equipment, and compromises results. That’s why professionals trust Bird attenuators—to perform where failure isn’t an option.Whether you need air-cooled for quick swaps, oil-dielectric for high power, or convection-cooled for silent lab precision, Bird delivers proven durability, fast availability, and real support from RF engineers.
Talk to us to get the right attenuator—and get it right the first time.
- Self cooling design, needs no cooling plate.
- Frequencies up to 3 GHz.
- Fully shielded against production of extraneous radiation.
- Attenuator require no AC power.
- Rugged construction.
- Broadband operation.
- Other attenuation values may be available upon request.
- Models to cover all LTE frequencies.
| Model Number | Attenuation | Frequency Range | RF Connector |
| 75-A-FFN-10 | 10 dB | DC to 3 GHz | N(m) to N(f) |
| 75-A-FFN-20 | 20 dB | DC to 3 GHz | N(m) to N(f) |
| 75-A-FFN-30 | 30 dB | DC to 3 GHz | N(m) to N(f) |
| 75-A-MFN-10 | 10 dB | DC to 3 GHz | N(m) to N(f) |
| 75-A-MFN-20 | 20 dB | DC to 3 GHz | N(m) to N(f) |
| 75-A-MFN-30 | 30 dB | DC to 3 GHz | N(m) to N(f) |