ETL SYSTEMS ATT20L1P-4214 Attenuator

( Brand: Etl Systems ), ( Manufacturer Part Number: ATT20L1P-4214 ), ( Type: Attenuator ), ( Country Of Origin: United States )

Review ETL SYSTEMS L band Attenuator

The **ETL ATT20L1P-4214 L-Band Attenuator** is a high-performance, precision-engineered RF/microwave component designed to deliver reliable signal attenuation within the L-band frequency range, spanning from **1.0 GHz to 2.0 GHz**. This compact, passive device is ideal for applications requiring precise control over signal strength, including test and measurement systems, military and aerospace communications, satellite ground stations, and RF signal conditioning in laboratory environments. Constructed with robust materials and advanced manufacturing techniques, the ATT20L1P-4214 ensures exceptional stability, low insertion loss, and minimal signal distortion across its operating bandwidth. Its **fixed attenuation value of 20 dB** provides consistent performance without the need for adjustable components, making it a dependable choice for demanding applications where repeatability and reliability are critical. The attenuator s **coaxial connector type (SMA female)** ensures a secure and low-reflection interface, reducing signal degradation at the connection points. With a power handling capability of up to **20 watts (CW)**, this device is well-suited for both low-power signal processing and moderate-power applications, offering a balance of efficiency and durability. Its rugged construction and wide operating temperature range (-40 C to 85 C) further enhance its versatility in diverse environmental conditions, from controlled laboratory settings to rugged field deployments. Whether used in RF system calibration, signal attenuation testing, or as part of a larger RF chain, the ETL ATT20L1P-4214 delivers consistent, high-fidelity performance with minimal phase and amplitude variations, making it an indispensable tool for engineers and technicians working with L-band frequencies.

### **Pros and Cons of buying a ETL ATT20L1P-4214 (L-Band Attenuator)**

1. **Precision Attenuation** The ATT20L1P-4214 is designed for accurate attenuation control in L-band applications (1 2 GHz), making it suitable for RF testing, signal conditioning, and communication systems where consistent signal levels are critical.

2. **Wide Operating Frequency Range** With a frequency range of 1 2 GHz, it is versatile for various L-band applications, including military communications, satellite links, and radar systems.

3. **Low Insertion Loss** The device maintains minimal signal degradation when not in use, ensuring efficient power transfer when attenuation is not applied.

4. **Permanent Attenuation** Unlike variable attenuators, this is a fixed-value unit (20 dB), which eliminates the need for manual adjustments, reducing potential errors and simplifying system integration.

5. **Rugged Construction** Built for durability, it is likely designed to withstand harsh environments, making it reliable for field deployments or industrial use.

6. **Standardized Interface** The SMA connectors are widely used in RF systems, ensuring compatibility with most test equipment and RF components.

7. **Cost-Effective for Fixed Applications** If a fixed attenuation value is required, this unit may be more economical than a variable attenuator, which can be more expensive and complex.

8. **Low VSWR (Voltage Standing Wave Ratio)** A good VSWR rating ensures minimal signal reflection, improving overall system efficiency.

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1. **Fixed Attenuation Value** Since it provides a single attenuation setting (20 dB), it cannot be adjusted for different signal levels. If variable attenuation is needed, a different model would be required.

2. **Limited Frequency Bandwidth** While it covers L-band (1 2 GHz), it may not be suitable for applications requiring broader frequency coverage (e.g., UHF or S-band).

3. **No Remote Control** Unlike some attenuators with remote control capabilities, this unit does not allow for programmable or automated adjustments, which can be a limitation in automated testing setups.

4. **Potential Signal Distortion** High attenuation values can introduce nonlinearities or noise, though this is typically minimal in well-designed components like this one.

5. **Compatibility Dependencies** While SMA connectors are standard, mismatched impedance or poor-quality connectors elsewhere in the system could degrade performance.

6. **No Built-in Monitoring** Unlike some advanced attenuators, this unit does not provide feedback on attenuation levels or signal integrity, requiring external measurement tools.

7. **Potential Overkill for Low-Attenuation Needs** If a lower attenuation value (e.g., 5 10 dB) is sufficient, purchasing a 20 dB unit may be unnecessary, leading to wasted performance.

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The **ETL ATT20L1P-4214** is a reliable, fixed 20 dB L-band attenuator ideal for applications requiring precise, unchanging signal attenuation within its frequency range. Its simplicity, durability, and standardized connectors make it a practical choice for RF testing, military communications, or any system where a fixed attenuation value is needed. However, if variable attenuation, broader frequency coverage, or remote control is required, alternative solutions (such as variable attenuators or different models) should be considered.

- You need a **fixed 20 dB attenuation** in the **1 2 GHz range**.

- Your application does not require **adjustable attenuation**.

- You prioritize **durability and simplicity** over flexibility.

- Compatibility with **SMA connectors** is already established in your system.

- You require **variable attenuation** (opt for a variable attenuator like the ETL ATT20L1V or similar).

- Your frequency range extends beyond **2 GHz** (e.g., UHF or S-band).

- Remote control or automation is needed (look for attenuators with TTL or network control).

- Lower attenuation values (e.g., 5 10 dB) would suffice.

For most **fixed-attenuation L-band applications**, this is a solid, cost-effective choice. However, always verify specifications (VSWR, power handling, environmental ratings) against your specific requirements before purchasing.

Details:

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part #: att20l1p4214 price

• $29.95

specifications coaxcabl:

• brand: Etl Systems
• mpn: Att20l1p-4214
• type: Attenuator
• country of origin: United States

general coaxcabl:

• condition: Open box
• Radio Communication > Parts Accessories > Coax Cables Connectors

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• service: Standard
• type: Fixed
• cost: $6.00
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seller coaxcabl:

• city: Orlando, Florida
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• # reviews: 18918

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offer coaxcabl:

• quantity: 89
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• options: Ship-to-home
• started: April 22, 2026

Etl Systems ATT20L1P-4214 Is Similar To:

• Etl Systems Com02l1p-2606 2-way L-band Passive Splitter combiner (56.1% similar) A no sear Que used Veda Eli nuncio compare hora , Nestorius terminators Las subsets tempering. Sky craft parts surplus, Orlando, fl, specializing in surplus electronic, components and parts for over 40 years. Mantras Que cites no son necessaries, used Purdue uprear Si recook DE products, implementer...(April 22nd, 2026)