# 3043B-10 Narda Directional Coupler Used

**Additional Features:**

-   Absolute Calibration Sensitivity Accuracy per 10 dB Step: +/- 0.1
-   Calibration (Freq GHz): 1.7, 2.325, 2.95, 3.575, 4.2
-   Frequency Range (GHz): 1.7-4.2 GHz
-   Frequency Sensitivity dB: +/- 0.25
-   Insertion Loss Coupled Pwr Excl.(dB): 0.20
-   Maximum Deviation from Nominal (dB): +/- 0.5
-   Maximum Weight (kg): 0.5
-   Maximum Weight (lbs): 1.0
-   Minimum Directivity (dB): 20
-   Nominal Coupling (dB): 10
-   Peak Power (kW): 10
-   Power Incident (Watts): 200
-   Pwr Reflected (Watts): 50
-   True Insertion Loss (dB): 0.70
-   Low Frequency (GHz): 1.7
-   High Frequency (GHz): 4.2
-   VSWR Maximum for Primary Line: 1.15
-   VSWR Maximum for Secondary Line: 1.20
-   High Power Capability
-   Low Loss, Superior Directivity
-   Permanent Nameplate Calibrations

The 3043b-10 is a coaxial directional coupler featuring flat coupling and high directivity.

## Details

- **Price:** 0.0 USD - 367.5 USD
- **Vendor:** Narda
- **Type:** Dir Coup
- **Tags:** Coupler, Directional, Manufacturers, Narda, Other Equipment, product_manual_group_1, Product_used

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| None | 0.00 USD | In stock |
| NIST Traceable | 262.50 USD | In stock |
| NIST Traceable with Full Data | 315.00 USD | In stock |
| ISO IEC 17025 Accredited | 367.50 USD | In stock |

## Images

- 3043B-10 Narda Directional Coupler Used
- 3043B-10 Narda Directional Coupler

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> Source: [ValueTronics](https://valuetronics.com/products/3043b-10-narda-directional-coupler-used)
> Updated: 2026-05-21