High-power RF attenuator manufactured by Spinner.
Specifications:
– Model: BN 74 53 57
– Power: 100W
– Attenuation: 20dB
– Impedance: 50 Ohm
Designed for professional RF and telecom applications:
– Signal attenuation
– RF testing and calibration
– Load handling in RF chains
Robust heatsink construction for efficient heat dissipation.
⚠️ Contains Beryllium Oxide (as indicated on label) – do not open unit.
Note: Red housing with handwritten markings.
No functional testing has been performed. Sold exactly as shown in photos.












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