BNC Attenuators
BNC Attenuators are precision RF and coaxial components designed to reduce RF signal power while maintaining stable impedance, low VSWR, and reliable signal integrity. These attenuators are widely used in RF testing, laboratory measurements, telecommunications, broadcasting, video transmission, aerospace, defense, industrial RF systems, and electronic test equipment where accurate signal level control is essential.
At SRFS Teleinfra, we manufacture high-quality BNC Attenuators engineered to provide precise attenuation, excellent return loss, low signal reflection, and dependable performance in demanding RF applications. Our BNC RF Attenuators are available in various attenuation values, power ratings, connector configurations, and frequency ranges to meet diverse customer requirements.
BNC Attenuators use precision BNC Male and Female connector interfaces, making them easy to install in RF systems, test setups, laboratory instruments, signal generators, spectrum analyzers, oscilloscopes, RF amplifiers, and communication equipment. They help protect sensitive RF devices from excessive power levels while improving measurement accuracy and overall system performance.
All our BNC Attenuators are manufactured in India using premium-grade materials, precision resistor technology, and strict quality-control processes. Each attenuator is designed to deliver long service life, dependable RF performance, and cost-effective solutions for telecom, defens
What is a BNC Attenuator?
A BNC Attenuator is a passive RF component used to reduce the power level of an RF or electronic signal by a fixed attenuation value. It is designed with BNC connector interfaces and maintains a stable impedance, typically 50 Ohm, during signal transmission.
BNC Attenuators are commonly used where RF signals must be reduced before reaching sensitive equipment such as oscilloscopes, spectrum analyzers, signal generators, RF receivers, amplifiers, and test instruments. They help prevent signal overload, minimize reflections, and improve the accuracy of RF measurements.
The BNC connector features a bayonet locking mechanism that provides quick and secure connections, making BNC Attenuators suitable for laboratory setups, test benches, broadcast systems, and production testing environments.
Technical Specifications
Impedance
Standard 50 Ohm impedance is available for precise RF signal matching and reduced signal reflection. 75 Ohm BNC Attenuators can also be manufactured for video and broadcast applications.
Frequency Range
BNC Attenuators are available for frequencies ranging from DC to 1 GHz, DC to 2 GHz, and DC to 4 GHz depending on the model and application.
Attenuation Values
Available attenuation values include 1 dB, 2 dB, 3 dB, 5 dB, 6 dB, 10 dB, 15 dB, 20 dB, 30 dB, 40 dB, 50 dB, 60 dB, and customized attenuation values.
Power Rating
Available in multiple power ratings such as 1 Watt, 2 Watts, 5 Watts, 10 Watts, 25 Watts, 50 Watts, and higher power options depending on the design.
VSWR
Low VSWR ensures excellent return loss, reduced signal reflections, and accurate RF performance.
Connector Interface
Available with BNC Male, BNC Female, Male to Female, Male to Male, Female to Female, and customized connector configurations.
Materials
Manufactured using stainless steel, brass, beryllium copper contacts, PTFE dielectric material, precision resistive elements, and corrosion-resistant plating.
Construction
Designed for long-term mechanical durability, stable electrical performance, and repeated mating cycles in RF test and communication environments.
Applications of BNC Attenuators
BNC Attenuators are widely used in RF laboratories, Vector Network Analyzer testing, spectrum analyzers, signal generators, oscilloscopes, RF calibration systems, broadcast equipment, telecom networks, wireless communication systems, industrial RF systems, defense electronics, aerospace communication, radar systems, CCTV systems, video transmission systems, and research laboratories.
Types of BNC Attenuators
Fixed BNC Attenuator
A Fixed BNC Attenuator provides a constant attenuation value for accurate RF signal reduction. It is commonly used in test equipment, RF laboratories, and communication systems.
Precision BNC Attenuator
Precision BNC Attenuators are manufactured with accurate resistor networks to provide stable attenuation, low VSWR, and reliable signal control in laboratory-grade RF applications.
Low Power BNC Attenuator
Low Power BNC Attenuators are ideal for laboratory measurements, signal generators, oscilloscopes, RF calibration systems, and low-power communication equipment.
High Power BNC Attenuator
High Power BNC Attenuators are designed to handle higher RF power levels in transmitters, RF amplifiers, broadcast equipment, and industrial communication systems.
BNC Male to Female Attenuator
BNC Male to Female Attenuators are commonly used as inline attenuators between RF cables, instruments, signal generators, and measurement equipment.
Custom BNC Attenuator
Custom BNC Attenuators can be manufactured according to specific attenuation values, power ratings, frequency ranges, connector configurations, and application requirements.
Key Features of BNC Attenuators
BNC Attenuators offer precision RF signal attenuation, stable 50 Ohm impedance, low VSWR, excellent return loss, accurate attenuation values, multiple power-handling options, compact inline design, easy bayonet locking connection, reliable mechanical durability, corrosion-resistant construction, and long operational life.
High-quality BNC Attenuators help reduce RF signal power, protect sensitive electronic instruments, improve RF measurement accuracy, and maintain reliable signal transmission in telecom, broadcast, defense, laboratory, and industrial applications.
Product Specifications
| Product Type | Impedance | Frequency Range | Application |
|---|---|---|---|
| BNC Fixed Attenuator | 50 Ohm | DC to 4 GHz | RF Signal Attenuation |
| BNC Precision Attenuator | 50 Ohm | DC to 4 GHz | RF Calibration & Testing |
| BNC Low Power Attenuator | 50 Ohm | DC to 4 GHz | Laboratory RF Measurements |
| BNC High Power Attenuator | 50 Ohm | DC to 4 GHz | High Power RF Systems |
| BNC Male to Female Attenuator | 50 Ohm | DC to 4 GHz | RF Test Equipment |
| BNC 3 dB Attenuator | 50 Ohm | DC to 4 GHz | Signal Level Control |
| BNC 10 dB Attenuator | 50 Ohm | DC to 4 GHz | Microwave Communication |
| BNC 20 dB Attenuator | 50 Ohm | DC to 4 GHz | RF Calibration |
| BNC 30 dB Attenuator | 50 Ohm | DC to 4 GHz | RF Production Testing |
| BNC 75 Ohm Attenuator | 75 Ohm | DC to 1 GHz | Broadcast & Video Systems |
Why Choose us
Precision RF Performance
Our BNC Attenuators are engineered to provide stable attenuation values, accurate impedance matching, and dependable RF signal control.
Low VSWR and Excellent Return Loss
Each BNC Attenuator is designed to reduce unwanted signal reflections and maintain high signal integrity throughout the operating frequency range.
Multiple Attenuation and Power Options
We provide BNC Attenuators in various dB values, frequency ranges, connector types, and power ratings to meet different RF application requirements.
Premium Manufacturing Quality
Our BNC Attenuators are manufactured using premium raw materials, precision resistor technology, advanced machining, and strict quality inspection procedures.
Frequently Asked Questions
A BNC Attenuator is a passive RF component that reduces RF signal power while maintaining stable impedance and reliable signal transmission.
BNC Attenuators are commonly available in 50 Ohm and 75 Ohm impedance options.
Depending on the model, BNC Attenuators can support frequencies from DC to 1 GHz, DC to 2 GHz, and DC to 4 GHz.
Standard attenuation values include 1 dB, 2 dB, 3 dB, 5 dB, 6 dB, 10 dB, 20 dB, 30 dB, 40 dB, 50 dB, and 60 dB.
They are widely used in RF laboratories, broadcast systems, telecom networks, oscilloscopes, signal generators, spectrum analyzers, RF testing, and industrial electronic systems.
Yes. BNC Attenuators are widely used in RF testing, calibration, laboratory measurements, and test equipment applications.
BNC Attenuators can be supplied in multiple power ratings such as 1 Watt, 2 Watts, 5 Watts, 10 Watts, 25 Watts, 50 Watts, and custom options.
Yes. SRFS Teleinfra provides customized BNC Attenuators with specific attenuation values, power ratings, connector configurations, and frequency requirements.
Yes. BNC Male to Female Attenuators are commonly available for inline RF signal attenuation.
SRFS Teleinfra provides precision-engineered BNC Attenuators with reliable RF performance, accurate attenuation values, strict quality control, customized manufacturing, competitive pricing, and technical support.