BNC Pushbutton RF Attenuators

BNC female pushbutton RF attenuators in 50 and 75 Ohm configurations with attenuation ranges up to 102 dB.

50 & 75 Ohm Models | Up to 750 MHz | Attenuation Ranges Up to 102 dB

Bracke Manufacturing offers BNC female pushbutton RF attenuators for precise, repeatable signal-level control in RF test and measurement, laboratory, and system applications. Available in 50 Ohm and 75 Ohm configurations, these manually adjustable attenuators provide convenient pushbutton selection with attenuation ranges up to 102 dB and frequency coverage up to 750 MHz, depending on model.

Choose from 0.5 dB or 1 dB step configurations with BNC female interfaces. Models feature nickel-plated brass BNC connectors, PTFE insulators, and gold- or silver-plated contacts, depending on model. Select a model below to view detailed specifications, pricing, and product drawings.

50 Ohm BNC Pushbutton Attenuators

BM10040 50 Ohm BNC female pushbutton RF attenuator, 0–65 dB in 1 dB steps, DC to 750 MHz

BNC Female Pushbutton Attenuator
0–65 dB

BNC Female Connectors
DC to 750 MHz Operation
0 to 65 dB Attenuation Range
1 dB Attenuation Steps
1 Watt Input Power
1.40:1 Max VSWR

View BM10040

BM10041 50 Ohm BNC female pushbutton RF attenuator, 0–45.5 dB in 0.5 dB steps, DC to 750 MHz

BNC Female Pushbutton Attenuator
0–45.5 dB

BNC Female Connectors
DC to 750 MHz Operation
0 to 45.5 dB Attenuation Range
0.5 dB Attenuation Steps
1 Watt Input Power
1.40:1 Max VSWR

View BM10041

BM10042 50 Ohm BNC female pushbutton RF attenuator, 0–102 dB in 1 dB steps, DC to 750 MHz

BNC Female Pushbutton Attenuator
0–102 dB

BNC Female Connectors
DC to 750 MHz Operation
0 to 102 dB Attenuation Range
1 dB Attenuation Steps
1 Watt Input Power
1.40:1 Max VSWR

View BM10042

BM10043 50 Ohm BNC female pushbutton RF attenuator, 0–82.5 dB in 0.5 dB steps, DC to 750 MHz

BNC Female Pushbutton Attenuator
0–82.5 dB

BNC Female Connectors
DC to 750 MHz Operation
0 to 82.5 dB Attenuation Range
0.5 dB Attenuation Steps
1 Watt Input Power
1.40:1 Max VSWR

View BM10043

Fixed, variable, rotary, pushbutton, and toggle-style RF attenuators for signal control.

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75 Ohm BNC Pushbutton Attenuators

BM10044 75 Ohm BNC female pushbutton RF attenuator, 0–65 dB in 1 dB steps, DC to 500 MHz

BNC Female Pushbutton Attenuator
0–65 dB

BNC Female Connectors
DC to 500 MHz Operation
0 to 65 dB Attenuation Range
1 dB Attenuation Steps
1 Watt Input Power
1.30:1 Max VSWR

View BM10044

BM10045 75 Ohm BNC female pushbutton RF attenuator, 0–45.5 dB in 0.5 dB steps, DC to 500 MHz

BNC Female Pushbutton Attenuator
0–45.5 dB

BNC Female Connectors
DC to 500 MHz Operation
0 to 45.5 dB Attenuation Range
0.5 dB Attenuation Steps
1 Watt Input Power
1.30:1 Max VSWR

View BM10045

Why Choose Bracke Manufacturing?

Bracke Manufacturing provides RF attenuator solutions backed by extensive industry experience, responsive product support, competitive pricing, and a broad selection of in-stock products available for quick shipping.

Explore our complete selection of fixed, variable, rotary, toggle and high-power RF attenuators, along with RF terminations, to find the right solution for your application.

RF attenuators in fixed, variable, rotary, pushbutton, and toggle styles for precise signal control in RF test and system applications.

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Pushbutton RF Attenuators Q&A

What impedance options are available?

These BNC pushbutton attenuators are available in both 50 Ohm and 75 Ohm configurations. The BM10040 through BM10043 models are 50 Ohm, while BM10044 and BM10045 are 75 Ohm.

What is the difference between 50 Ohm and 75 Ohm BNC pushbutton attenuators?

50 Ohm models are designed for compatible 50 Ohm RF systems, while 75 Ohm models are intended for compatible 75 Ohm systems. Select an attenuator with the impedance that matches your system and connected equipment.

What frequency ranges are available?

The 50 Ohm models operate from DC to 750 MHz, while the 75 Ohm models operate from DC to 500 MHz.

What attenuation ranges are available?

Available ranges include 0–45.5 dB, 0–65 dB, 0–82.5 dB, and 0–102 dB, depending on model.

Are 0.5 dB attenuation steps available?

Yes. BM10041 provides 0–45.5 dB in 0.5 dB steps, while BM10043 provides an extended 0–82.5 dB range in 0.5 dB steps.

What connectors are used?

All six models use BNC female connectors. The drawings specify nickel-plated brass BNC connector bodies and PTFE insulators.

What other RF attenuation products are available?

Bracke offers a broader selection of RF attenuators, including fixed, rotary, and high-power configurations for a variety of RF and microwave applications.

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Beyond pushbutton attenuators, explore Bracke’s broad selection of RF and microwave components for test and measurement, laboratory, production, communications, and system applications.

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For product assistance, call 949.756.1600 or email sales@brackemfg.com. Request our free catalog or contact us for technical support and custom RF solutions.

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