Attenuators

An RF Attenuator is a passive network designed to reduce the power of a signal by a specific amount (measured in Decibels, or dB) without significantly distorting its waveform. They act as the “volume control” for high-frequency signals, protecting sensitive equipment from being overwhelmed or damaged by high power levels.

Why Choose an Attenuator?

Equipment Protection: They prevent high-power sources (like amplifiers) from "blowing out" the sensitive input stages of spectrum analysers or oscilloscopes by dropping the signal to a safe level.
Impedance Matching: Attenuators improve the "Source Match" between two devices. By placing an attenuator between a source and a load, you reduce the impact of reflections (VSWR), leading to more accurate measurements.
Range Extension: They allow you to measure signals that would otherwise be "off the scale" of your instrument, effectively extending the dynamic range of your existing test gear.
Signal Leveling: In complex test benches, attenuators are used to balance different signal paths, ensuring that every component in the system receives the precise power level required for stable operation.

Core Applications

Transmitter Testing: Reducing the high-wattage output of a radio transmitter or cellular base station so it can be safely analysed by a low-power desktop instrument.
Receiver Sensitivity Testing: Using a high-value attenuator (e.g., 60dB or 100dB) to "shrink" a standard signal generator's output down to the tiny microvolt levels needed to test a radio receiver's limits.
Intermodulation Distortion (IMD) Measurement: Providing isolation between two signal generators to prevent them from "talking" to each other, which would create false interference products during testing.
Production Line Calibration: Ensuring that automated test systems provide repeatable results by using "Step Attenuators" to simulate different signal strengths and distances for wireless devices.

SKUImageBrandTypesFrequency RangeAttenuationStepAccuracyPowerConnectorsImpendanceVSWRStockPrice
RA5040KImage of Rigol ra5040k 2tRigolFixed AttenuatorDC to 1 GHz40 dBN/AN/A1 WBNC50ΩN/AOn Backorder£40.00
TBAS1Image of Tbas1TekboxAttenuator SetDC to 3 GHz3 dB, 6 dB, 10 dB, 20 dBN/A±0.5 dB, ±0.8 dB2 WNN/A≤1.33£95.00
TBAS2Low stockImage of Tbas2TekboxAttenuator SetDC to 6 GHz3 dB, 6 dB, 10 dB, 15 dB, 20 dB, 30 dB, 50Ω TeminationN/A±0.5 dB, ±0.8 dB1 WSMAN/A≤1.31£143.00
TBAS3Image of Tbas3TekboxAttenuator SetDC to 3 GHz3 dB, 6 dB, 10 dB, 20 dBN/A±0.5 dB, ±0.8 dB10 WNN/A≤1.3On Backorder£143.00
TBAS4Low stockImage of Tbas4goodTekboxAttenuator SetDC to 6 GHz3 dB, 6 dB, 10 dB, 20 dBN/A±0.5 dB2 WNN/A≤1.22£141.00
TBATT-N-10-10Low stockImage of Tbatt n 10 xTekboxFixed AttenuatorDC to 3 GHz10 dB N/A±0.5 dB10 WNN/A≤1.32£34.00
TBATT-N-10-20Image of Tbatt n 10 xTekboxFixed AttenuatorDC to 3 GHz20 dB N/A±0.8 dB10 WNN/A≤1.35+£34.00
TBATT-N-10-3Image of Tbatt n 10 xTekboxFixed AttenuatorDC to 3 GHz3 dB N/A±0.5 dB10 WNN/A≤1.3On Backorder£34.00
TBATT-N-10-30Image of Tbatt n 10 xTekboxFixed AttenuatorDC to 3 GHz30 dB N/A±1 dB10 WNN/A≤1.3On Backorder£34.00
TBATT-N-10-6Low stockImage of Tbatt n 10 xTekboxFixed AttenuatorDC to 3 GHz6 dB N/A±0.5 dB10 WNN/A≤1.31£34.00
TBATT-N-100-10Low stockImage of Tbatt n 100 xTekboxFixed AttenuatorDC to 3 GHz10 dB N/A±0.5 dB100 WNN/A≤1.31£195.00
TBATT-N-100-20Image of Tbatt n 100 xTekboxFixed AttenuatorDC to 3 GHz20 dB N/A±0.8 dB100 WNN/A≤1.3On Backorder£195.00
TBATT-N-100-3Low stockImage of Tbatt n 100 xTekboxFixed AttenuatorDC to 3 GHz3 dB N/A±0.5 dB100 WNN/A≤1.32£195.00
TBATT-N-100-30Low stockImage of Tbatt n 100 xTekboxFixed AttenuatorDC to 3 GHz30 dB N/A±1 dB100 WNN/A≤1.31£195.00
TBATT-N-100-6Low stockImage of Tbatt n 100 xTekboxFixed AttenuatorDC to 3 GHz6 dB N/A±0.5 dB100 WNN/A≤1.32£195.00
TBATT-N-25-10Low stockImage of Tbatt n 25w xTekboxFixed AttenuatorDC to 3 GHz10 dB N/A±0.5 dB25 WNN/A≤1.31£34.00
TBATT-N-25-20Low stockImage of Tbatt n 25w xTekboxFixed AttenuatorDC to 3 GHz20 dB N/A±0.8 dB25 WNN/A≤1.31£58.00
TBATT-N-25-3Low stockImage of Tbatt n 25w xTekboxFixed AttenuatorDC to 3 GHz3 dB N/A±0.5 dB25 WNN/A≤1.31£34.00
TBATT-N-25-30Low stockImage of Tbatt n 25w xTekboxFixed AttenuatorDC to 3 GHz30 dB N/A±1 dB25 WNN/A≤1.31£58.00
TBATT-N-25-6Image of Tbatt n 25w xTekboxFixed AttenuatorDC to 3 GHz6 dBN/A±0.5 dB25 WNN/A≤1.34£34.00
TBATT-N-50-10Low stockImage of Tbatt n 50 xTekboxFixed AttenuatorDC to 3 GHz10 dB N/A±0.5 dB50 WNN/A≤1.32£88.00
TBATT-N-50-20Low stockImage of Tbatt n 50 xTekboxFixed AttenuatorDC to 3 GHz20 dB N/A±0.8 dB50 WNN/A≤1.32£88.00
TBATT-N-50-3Low stockImage of Tbatt n 50 xTekboxFixed AttenuatorDC to 3 GHz3 dB N/A±0.5 dB50 WNN/A≤1.31£88.00
TBATT-N-50-30Image of Tbatt n 50 xTekboxFixed AttenuatorDC to 3 GHz30 dB N/A±1 dB50 WNN/A≤1.3On Backorder£88.00
TBATT-N-50-6Image of Tbatt n 50 xTekboxFixed AttenuatorDC to 3 GHz±0.5 dBN/A±0.5 dB50 WNN/A≤1.34£88.00
8051AImage of 8051a 2TelonicRotary StepDC to 2 GHz60 dB10 dB±1.8 dB3WBNC50Ω≤1.3:1On BackorderCall Us
8051SImage of 8051s 2TelonicRotary StepDC to 2 GHz60 dB 10 dB±1.8 dB3WSMA50Ω≤1.3:1On BackorderCall Us
8052AImage of 8051a 2TelonicRotary StepDC to 2 GHz10 dB 1 dB±0.3 dB3WBNC50Ω≤1.3:1On BackorderCall Us
8052SImage of 8051s 2TelonicRotary StepDC to 2 GHz10 dB 1 dB±0.3 dB3WSMA50Ω≤1.3:1On BackorderCall Us
8107AImage of 8107a 2TelonicRotary StepDC to 2 GHz100 dB (model dependent)10 dB (model dependent)±3 dB3WBNC50Ω≤1.3:1On BackorderCall Us
8107SImage of 8107a 2TelonicRotary StepDC to 2 GHz100 dB (model dependent)10 dB (model dependent)±3 dB3WSMA50Ω≤1.3:1On BackorderCall Us
8120AImage of 8051a 2TelonicRotary StepDC to 2 GHz100 dB10 dB±3 dB3WBNC50Ω≤1.3:1On BackorderCall Us
8120SImage of 8051s 2TelonicRotary StepDC to 2 GHz100 dB10 dB±3 dB3WSMA50Ω≤1.3:1On BackorderCall Us
8121SImage of 8051s 2TelonicRotary StepDC to 2 GHz60 dB10 dB±1.8 dB3WSMA50Ω≤1.3:1On BackorderCall Us
8122AImage of 8051a 2TelonicRotary StepDC to 2 GHz10 dB 1 dB±0.3 dB3WBNC50Ω≤1.3:1On BackorderCall Us
8122SImage of 8051s 2TelonicRotary StepDC to 2 GHz10 dB 1 dB±0.3 dB3WSMA50Ω≤1.3:1On BackorderCall Us
8128Image of 8128 2TelonicDual Rotary (Bench)DC to 2 GHz120 dB (combined, model dependent)1 dB - 10 dB (model dependent)±1.4 dB3WSMA, BNC50Ω≤1.3:1On BackorderCall Us
8129Image of 8128 2TelonicDual Rotary (Bench)DC to 2 GHz120 dB (combined, model dependent)1 dB - 10 dB (model dependent)±1.4 dB3WSMA, BNC50Ω≤1.3:1On BackorderCall Us
8140AImage of 8107a 2TelonicRotary StepDC to 2 GHz120 dB (combined, model dependent)1 dB - 10 dB (model dependent)±1 dB (model dependent)3WBNC50Ω≤1.3:1On BackorderCall Us
8140SImage of 8107a 2TelonicRotary StepDC to 2 GHz120 dB (combined, model dependent)1 dB - 10 dB (model dependent)±1 dB (model dependent)3WSMA50Ω≤1.3:1On BackorderCall Us
8142AImage of 8107a 2TelonicRotary StepDC to 2 GHz120 dB (combined, model dependent)1 dB - 10 dB (model dependent)±1 dB (model dependent)3WBNC50Ω≤1.3:1On BackorderCall Us
8142SImage of 8107a 2TelonicRotary StepDC to 2 GHz120 dB (combined, model dependent)1 dB - 10 dB (model dependent)±1 dB (model dependent)3WSMA50Ω≤1.3:1On BackorderCall Us
8143Image of 8128 2TelonicCombined RotaryDC to 2 GHz60-100 dB (combined, model dependent)1 dB - 10 dB (model dependent)±1.4 dB3WSMA, BNC50Ω≤1.3:1On BackorderCall Us

Showing 1–16 of 43 results

  • Image of Tbas1

    TEKBOX TBAS1 RF Attenuator Set

    £95.00 (£114.00 inc. VAT)

    3 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbas2

    TEKBOX TBAS2 RF Attenuation & Termination Set

    £143.00 (£171.60 inc. VAT)

    1 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbas3

    TEKBOX TBAS3 RF Attenuator Set

    £143.00 (£171.60 inc. VAT)

    Available on back-order

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbas4good

    TEKBOX TBAS4 RF Attenuator Set

    £141.00 (£169.20 inc. VAT)

    2 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 10 x

    TekBox TBATT-N-10-10 Attenuator, N-male/N-female, 3GHz, 10W, 10dB

    £34.00 (£40.80 inc. VAT)

    2 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 10 x

    TekBox TBATT-N-10-20 Attenuator, N-male/N-female, 3GHz, 10W, 20dB

    £34.00 (£40.80 inc. VAT)

    5+ In UK Stock

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 10 x

    TekBox TBATT-N-10-3 Attenuator, N-male/N-female, 3GHz, 10W, 3dB

    £34.00 (£40.80 inc. VAT)

    Available on back-order

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 10 x

    TekBox TBATT-N-10-30 Attenuator, N-male/N-female, 3GHz, 10W, 30dB

    £34.00 (£40.80 inc. VAT)

    Available on back-order

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  • Image of Tbatt n 10 x

    TekBox TBATT-N-10-6 Attenuator, N-male/N-female, 3GHz, 10W, 6dB

    £34.00 (£40.80 inc. VAT)

    1 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 100 x

    TekBox TBATT-N-100-10 Attenuator, N-male/N-female, 3GHz, 100W, 10dB

    £195.00 (£234.00 inc. VAT)

    1 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 100 x

    TekBox TBATT-N-100-20 Attenuator, N-male/N-female, 3GHz, 100W, 20dB

    £195.00 (£234.00 inc. VAT)

    Available on back-order

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 100 x

    TekBox TBATT-N-100-3 Attenuator, N-male/N-female, 3GHz, 100W, 3dB

    £195.00 (£234.00 inc. VAT)

    2 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 100 x

    TekBox TBATT-N-100-30 Attenuator, N-male/N-female, 3GHz, 100W, 30dB

    £195.00 (£234.00 inc. VAT)

    1 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 100 x

    TekBox TBATT-N-100-6 Attenuator, N-male/N-female, 3GHz, 100W, 6dB

    £195.00 (£234.00 inc. VAT)

    2 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 25w x

    TekBox TBATT-N-25-10 Attenuator, N-male/N-female, 3GHz, 25W, 10dB

    £34.00 (£40.80 inc. VAT)

    1 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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  • Image of Tbatt n 25w x

    TekBox TBATT-N-25-20 Attenuator, N-male/N-female, 3GHz, 25W, 20dB

    £58.00 (£69.60 inc. VAT)

    1 in stock (can be backordered)

    Availability: Stock models delivered next working day (UK only) for orders placed before 16:30 (Mon - Fri)

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