Keysight N4871A matched pair coaxial cables, both 91 cm units shown with red protective dust caps

Keysight N4871A cable label close-up showing part number N4871-61620, MFR 541Q2, SN12647546, Country of Origin USA

Keysight N4871A 3.5 mm male connector close-up showing gold-pin centre contact and stainless steel body

Keysight N4871A second 3.5 mm male connector end-on view showing precision gold centre pin and threaded coupling

Tested

14 Day Money Back Guarantee

Great Value

Global Shipping

Keysight Technologies N4871A 3.5mm to 3.5mm Matched Pair Cable Kit

Name: Keysight Technologies N4871A 3.5mm to 3.5mm Matched Pair Cable Kit
Brand: Keysight Agilent
SKU: 3897 4E04 ER88
Price: 212.5 GBP
Availability: InStock

The Keysight N4871A is a precision 3.5 mm male-to-male matched coaxial cable pair, 91 cm in length, designed for use with DCA oscilloscopes and ParBERT systems.
• Matched pair — both cables selected for consistent, repeatable high-frequency signal integrity
• 3.5 mm male-to-male connectors with gold-pin centre contacts for low-loss, reliable connections
• Made in USA — part number N4871-61620

Manufacturer

Keysight Agilent

Model

N4871A

Condition

Used

In stock

SKU

3897 4E04

£212.50

Connectors & Cables
RF & Microwave
RF Components

Make an Offer

Keysight Technologies N4871A 3.5mm to 3.5mm Matched Pair Cable Kit

£212.50

Condition: Used

This is a Keysight Technologies N4871A 3.5 mm male-to-male matched coaxial cable pair, 91 cm in length (part number N4871-61620, MFR 541Q2, SN12647546). The cables feature braided purple/lavender jackets, precision 3.5 mm male connectors with gold-pin centre contacts, and protective red dust caps fitted to all four ends.

Included in the sale:
• 2 x Keysight N4871A 3.5 mm male-to-male matched coaxial cables (91 cm each)
• Red protective dust caps fitted to all connectors

Please note that we have multiple units in stock, and the images presented are of one of them, therefore the cosmetic condition of the exact item you will receive may slightly differ.

Product Overview

Condition: Used

Included in the sale:
• 2 x Keysight N4871A 3.5 mm male-to-male matched coaxial cables (91 cm each)
• Red protective dust caps fitted to all connectors

Please note that we have multiple units in stock, and the images presented are of one of them, therefore the cosmetic condition of the exact item you will receive may slightly differ.

Manufacturer's Description

The Keysight Technologies N4871A is a 3.5 mm male-to-male matched coaxial cable pair designed for use with Keysight DCA (Digital Communications Analyser) wide-bandwidth oscilloscopes, ParBERT bit error rate test systems, and other precision RF and microwave test equipment requiring phase- and amplitude-matched cable pairs.

The cables are supplied as a matched pair, ensuring consistent signal propagation characteristics between channels — essential for differential measurements, timing-critical applications, and multi-port test setups. The 3.5 mm connector format is widely used in microwave test and measurement up to 26.5 GHz and is compatible with SMA connectors.

Connector Type: 3.5 mm male (both ends)
Cable Configuration: Matched pair
Cable Length: 91 cm (approximately 36 inches)
Country of Origin: USA
Part Number: N4871-61620
Compatible With: Keysight DCA-X, DCA-M oscilloscopes; ParBERT systems; general RF/microwave test equipment with 3.5 mm or SMA ports
Typical Frequency Range: DC to 26.5 GHz (3.5 mm connector standard)
Application: Differential signal measurements, multi-channel bit error rate testing, high-frequency interconnect in laboratory and production environments

Resources

Keysight DCA Probes & Accessories Technical Overview — lists N4871A with full accessory context: Download PDF

Shipping & Returns

Shipping & Returns Policy

Shipping Policy

Processing Time: Orders are typically processed and dispatched within 1 business day.
Shipping Methods: We offer Expedited Shipping to all destinations using UPS/DHL/Fedex/Royal Mail and other reputable carriers.
Shipping Times: Mainland UK: 1-2 Business Days / Mainland Europe and USA: 2-3 Business Days / Rest of the World 5-7 Business Days.
Shipping Costs: These are calculated at checkout based on the shipping method, destination and package dimensions.
CUSTOMS AND TAXES: It is YOUR responsibility to liaise with customs in your country and ensure your package is cleared and any taxes are paid.
Shipping Destinations: We ship worldwide.
Tracking: Once your order is shipped, we will provide you with a tracking number via email.
Insurance: All shipments are insured. In case of damage, please contact us via email within 48 hours of receiving the product with photographic evidence, please also ensure a report is logged with the delivery driver.

Returns Policy

Return Period: In the event of an item being received which is not as specified, you can return your purchase within 14 days of delivery.
Condition of Items: Items must be returned unused and in their original packaging.
Return Method: All returns must be notified in writing to hello@ttinstruments.com, and the email should include the order number, date and reason for return within 14 days of delivery.
Restocking Fees: A restocking fee of up-to 20% is applicable for items returned for any reason other than not as specified.
Refund Method: Refunds are processed to the original method of payment within 5 business days of receiving the return.
Exchanges: We do not offer exchanges. It will either be a replacement or a refund.
Return Shipping Costs: Return shipping costs will be borne by the customer unless the item is not as specified, in which case we will arrange a prepaid return label.

Ready to Get Started?

What you get

Quality products, tested and accurately described by our in-house experts. Carefully packed and shipped worldwide.

Shipping & Returns

You can use the shipping rates calculator in product details to estimate shipping cost. See our Returns page for other details.

Still Unsure?

Feel free to have any additional questions you might have about the product. We're available via chat, email or phone.

Refurbishment Process

Every product at TT Instruments goes through a unique process before it's made available for sale. Check it out!

Frequently Asked Questions

The price is too high, can I make an offer on this product?

Yes, we accept offers on most of our products. You can send us an offer by contacting us.

Are there any defects with the items you sell?

The equipment we sell will normally be used and so it is essential you carefully read the description and review the images, if there are any cosmetic defects or otherwise we will Cleary state this within the description and display it in the images.

Do you ship overseas?

Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. Most orders are delivered within one week.

How long will it take to get my orders?

UK: 1-2 working days
Mainland Europe, US & Canada : 2-3 working days
Rest of the world: 5 working days

Subject to customs

Please refer to our detailed shipping policy.

How does customs work?

Orders may be subject to import taxes/duties. You'll need to check local authorities for accurate information on this.

What is your return policy on used equipment?

Most of our products are eligible for a 14 day return period from delivery date. (if the product is not as described).

Please refer to our detailed shipping and returns policy.

See all FAQs

Please see our detailed FAQs page

ISO Certified

We are proud to hold the ISO 9001:2015 certification by a UKAS accredited body.

Sell Your Equipment

Receive best prices for your un-used/surplus equipment. Talk to one of our experts for a hassle-free transaction

Worldwide delivery

We deliver on an express service globally with most packages delivered in less than a week

Customer Satisfaction

We pride ourselves in providing an excellent service from start to finish.

Top Rated Seller

Our feedback says it all! We have shipped to over 100 countries all over the world and our customers couldn't be happier!