HP 5086-7671 Agilent Unbiased Port Coupler Set Sma Female 7MM APC7

( Brand: Hp ), ( Manufacturer Part Number: 5086-7671 )

Review HP Agilent Unbiased Port Coupler Test Set 7mm To Sma Female

The **HP 5086-7671 Agilent Unbiased Port Coupler Set (7mm APC-7 to SMA Female)** is a high-performance, precision-engineered solution designed for demanding RF and microwave applications where signal integrity, reliability, and low-loss performance are critical. This coupler set is specifically crafted for use with Agilent s 7mm APC-7 connectors, offering a seamless transition to standard SMA female ports, which are widely compatible with a vast array of test equipment, measurement instruments, and signal sources. The "unbiased" designation indicates that this coupler set is optimized for applications where DC bias is either absent or carefully managed, ensuring that no unintended voltage or current is introduced into sensitive measurement circuits. Constructed from high-purity materials, the connectors feature gold-plated contacts for exceptional conductivity and corrosion resistance, minimizing signal degradation and ensuring long-term durability even in harsh environments. The APC-7 connectors, known for their robust mechanical design and secure locking mechanism, provide a reliable hermetic seal that protects against moisture, dust, and other contaminants, while the SMA female ports deliver a familiar and versatile interface for easy integration with oscilloscopes, spectrum analyzers, network analyzers, and other RF instrumentation. This coupler set is particularly well-suited for applications in aerospace, defense, telecommunications, and laboratory settings where precise signal handling and minimal insertion loss are essential. Whether used for high-frequency signal routing, impedance matching, or interfacing between different connector types, the HP 5086-7671 ensures consistent performance across a broad frequency range, making it an indispensable tool for engineers and technicians who demand both precision and reliability in their RF systems.

### **Pros and Cons of buying a HP 5086-7671 (Agilent Unbiased Port Coupler Set, 7mm APC-7 to SMA Female)**

1. **Compatibility with High-Precision Measurements** The coupler is designed for use with Agilent/HP vector network analyzers (VNAs) and other high-frequency test equipment, ensuring accurate impedance measurements without introducing bias or errors.

2. **Unbiased Design** The unbiased port coupler eliminates common-mode currents, reducing measurement inaccuracies caused by ground loops or improper terminations, which is critical in RF and microwave applications.

3. **Durable Connectors** The 7mm APC-7 connectors are known for their excellent mechanical stability and low loss, making them suitable for high-power applications and repeated mating cycles.

4. **SMA Female Output** The SMA female output provides flexibility for connecting to various test cables, adapters, or devices, expanding usability in lab or field settings.

5. **Backward Compatibility** Works with older Agilent/HP VNAs and other compatible instruments, making it a reliable long-term solution.

6. **Reduced Measurement Errors** By minimizing common-mode noise, the coupler improves the accuracy of reflection coefficient (S , S ) and transmission measurements (S , S ).

7. **Professional-Grade Quality** As an Agilent part, it adheres to strict manufacturing standards, ensuring reliability in critical applications like RF testing, antenna measurements, and component characterization.

1. **Limited Frequency Range (If Not Specified Otherwise)** While not explicitly stated, 7mm APC-7 connectors are typically used up to **40 GHz** (or higher in some variants). If your application requires measurements beyond this range, you may need a different coupler.

2. **Cost** As a high-precision component from Agilent, it is more expensive than generic or lower-quality alternatives, which may be a barrier for budget-conscious users.

3. **Specialized Use Case** Not a general-purpose connector; it is specifically designed for unbiased port measurements in VNAs. If you don t need this functionality, a simpler adapter (e.g., APC-7 to SMA direct) may suffice.

4. **Potential for Wear Over Time** Like all high-frequency connectors, repeated mating can lead to degradation if not handled carefully, though APC-7 connectors are more durable than SMA in this regard.

5. **Compatibility Issues with Non-Agilent Equipment** While the unbiased design is beneficial, some non-Agilent VNAs or test setups may require additional calibration or adapters for optimal performance.

6. **Replacement Parts Availability** Agilent (now Keysight) parts may be harder to source than generic brands, though they remain widely available through authorized distributors.

---

### **Conclusion**

The **HP 5086-7671 Agilent Unbiased Port Coupler Set (7mm APC-7 to SMA Female)** is a **high-quality, specialized tool** ideal for users requiring **precise, unbiased impedance measurements** in RF and microwave testing. Its **unbiased design, durability, and compatibility with Agilent VNAs** make it a **valuable investment** for professionals in fields like antenna design, component testing, and network analysis.

However, if your application **does not require unbiased ports** or operates at **extremely high frequencies (beyond 40 GHz)**, a simpler or more cost-effective adapter may be sufficient. Additionally, the **higher cost** and **specialized nature** mean it is not a general-purpose connector only necessary for specific measurement scenarios.

---

### **Recommendation**

- You are using an **Agilent/HP VNA** and need **unbiased port measurements** for accurate reflection and transmission data.

- Your work involves **high-frequency testing (up to 40 GHz)** where **minimizing common-mode noise** is critical.

- You require **durable, low-loss connections** in a professional lab or field environment.

- You only need **basic impedance measurements** and do not require unbiased ports.

- Your budget is limited, and a **generic APC-7 to SMA adapter** (without unbiased design) will suffice.

- Your frequency range exceeds **40 GHz**, as you may need a higher-end solution (e.g., 3.5mm or 2.92mm connectors).

- You are working with **non-Agilent equipment** that may not fully utilize the unbiased feature.

**Final Verdict:** For users in **RF/microwave testing requiring precision**, this coupler is a **strong recommendation**. For general or lower-frequency applications, a simpler adapter may be more practical. Always verify **frequency compatibility** and **equipment compatibility** before purchasing.

Details:

It features a 7mm APC7 interface to SMA female configuration for flexible connectivity in test setups. HP / Agilent 5086-7671 Unbiased Port Coupler Test Set 7MM APC7 to SMA Female. Ideal for laboratory and calibration environments requiring accurate signal routing measurement support. This is an HP / Agilent 5086-7671 unbiased port coupler test set designed for RF and microwave measurement applications.

You don't love it. Key Features: Manufacturer: HP / Agilent, model: 5086-7671, Unbiased port coupler test set, 7mm APC7 to SMA female configuration, Suitable for RF and microwave applications, Condition Notes: - Includes: One Coupler Test Set, Physical condition: Items are used but in good condition, Data Sanitation: If applicable, all data has been wiped.

part #: 50867671 prices

• $159.00-$799.99

specifications celltesequ:

• brand: Hp
• mpn: 5086-7671

shipping celltesequ:

• type: Calculated
• service: UPS Ground
• transit: 3-7 Days
• class: Standard
• carrier: UPS
• cost: $18.24

general celltesequ:

• condition: Used
• Test, Measurement Inspection > Analyzers Data Acquisition > RF Communication Test Sets

returns celltesequ:

• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days
• method: Money back

offer celltesequ:

• sold: 0
• best offers: True
• quantity: 1
• availability: In Stock
• started: February 16, 2026
• options: Ship-to-home

payments celltesequ:

• wallet: Apple-pay
• other
• credit card: Discover

seller celltesequ:

• city: Manassas, Virginia
• rating: 99.8%
• # reviews: 35118

Hp 5086-7671 Is Similar To:

• 01650-63203 Agilent Hp Termination Adapter Kohm (37.4% similar) There are 4 used. Hp agilent termination adapter 100KOHM there are 13 new and in the original package. Feed back please leave us some back. Through for those hard to find parts...(July 2nd, 2018)
• Mhz Hp Ghz Agilent Channel 2 11759B 40 Simulator 11759b Option 002 Rf (26.2% similar) Your satisfaction is important to us, and we'll try our best to make things right. Heavier items are shipped in foam in place unstuck, in heavy duty boxes or wood en crates. Usually, the more scratches on an item, the better the deal you can get. Guarantees test equipment with calibration comes with...(June 25th, 2015)
• 1250-2275 Agilent Hp Bnc Feed Through Resistor Lot Of (31% similar) Feed back please leave us some back. Hp agilent NBC f-m feed through resistor, 25-OHM 2w lot of 9 the condition these items are used, in excellent condition, and came from a working environment. Through for those hard to find parts...(August 2nd, 2018)
• 16910a 5x Analysis Cards System Logic 16900a 1x Hp Card Agilent 16754a (19.2% similar) It was pulled from a working environment, and is fully functional. 13755 3MZ RR91C. GHz timing 1x Hp agilent 16754A this analysis system is in excellent used condition. 14 day right of return if not satisfied...(September 1st, 2015)
• Cdma Receiver 1930-1990mhz E6450c Base Digital Station 1850-1910 Hp Tdma Agilent (14.1% similar) Template rounded left bottom. Template rounded right bottom. At at adept. SEARCHBY9 lock C26 l David qty 1 plan f q1 5 pounds or more 13 X11 x8 8LBS start...(July 23rd, 2015)
• 3555b 400el Agilent Hp Keysight Kt Trans Noise Measuring Set Voltmeter Untested (32.3% similar) Condition photo is of actual item being shipped. We buy, sell, rent, lease, calibrate and repair all kinds of electronic test equipment. Its the service after sale that counts. Diversion contrary to us. Our technicians are military trained Mel graduates certified with level 9 credentials. Item is ...(January 7th, 2019)
• 3708a Agilent Hp Keysight Noise (31.8% similar) Stock photo actual of unit available upon request 90-DAY warranty. 70 MHz, 140 MHz reference tone oscillator...(October 10th, 2017)
• 4291b Agilent Hp Keysight Calibration Kit (27.4% similar) Normal false Jay please see actual pictures...(February 15th, 2017)
• 42941-60011 Agilent Hp Hard Carry Case For Test Set (39.4% similar) Through for those hard to find parts. Shipping is free within the continental USA. Hp agilent hard carry case for 87512A transmission reflection test set the condition of this item is used, like new, excellent. Feed back please leave us some back...(May 1st, 2018)
• Portable Hp Transmission 4935a Test Opt.003 Measuring Set Calibration Current (26.1% similar) Free 2/9 day USPS parcel select shipping. This item has been fully tested by our tech department and is in good working condition...(July 10th, 2015)
• 4947 Agilent Hp Keysight Transmission Impairment Measuring Test Set Untested (34.2% similar) Item is used and some minor cosmetic wear can be expected. Diversion contrary to us. We buy, sell, rent, lease, calibrate and repair all kinds of electronic test equipment. Its the service after sale that counts. Condition photo is of actual item being shipped. Our technicians are military trained ...(December 13th, 2018)