The BW-Ex-1W653+ series of precision fixed attenuators achieves extremely wide frequency range from DC up to 65 GHz. Available in a variety of attention values for different requirements, these units support a broad range of system and test applications. Excellent attenuation flatness, good VSWR (1.2:1 typ.) and rugged construction make these models ideal solutions for applications requiring precise attenuation across very wide frequency range.

  • Extremely wideband, DC to 65 GHz
  • 1.85mm Female to 1.85mm Male connectors Good
  • VSWR, 1.2 @ 26.5 GHz, 1.3 @ 65 GHz t
  • Outstanding accuracy, ±1.5 dB over full range




Extremely wideband, DC to 65 GHz

Ideal for an exceptionally wide variety of lab and system applications up to millimeter wave bands.

Excellent attenuation accuracy, ±1.5 dB or better across full range

Provides precise, consistent attenuation across the entire frequency band, ideal for broadband and multi-band usage.


• 1.2 dB @ 26.5 GHz typ.

• 1.3 dB @ 65 GHz typ.

Efficient power utilization with minimal signal power reflected back to source.

1W power handling

Provides precise attenuation for a range of input power levels.

Passivated stainless steel connectors

Rugged construction withstands harsh environmental conditions for high reliability and long life of use.