XRDS -RF KMR 400 UHF Coax Cable - 50ft PL-259 UHF Male Coax Jumper - Low Loss 50 ohm Cable for HAM & CB Radio, SWR Meter, Antenna Analyzer, Dummy Load - size: 50 FT
XRDS -RF KMR 400 UHF Coax Cable - 50ft PL-259 UHF Male Coax Jumper - Low Loss 50 ohm Cable for HAM & CB Radio, SWR Meter, Antenna Analyzer, Dummy Load - size: 50 FT
About this item
- ⭐【Professionally Made】— XRDS-RF as a more than 20 years professional CB radio coax cable manufacturer, this kmr400 pl-259 cable for CB/ham radio, swept with network analyzers to assure VSWR less than 1.35.
- ⭐【Ultra-Low Loss】— The braid of this pl-259 jumper cable is high-density tinned copper and 100% shield. And it is very ultra-low loss that 3ft UHF kmr400 cable attenuates signal only by 0.26db at 500mhz. If you chose kmr400 CB coax for marine radio installations the cable had 60% less loss than the cheap rg58 at wifi frequencies.
- ⭐【Durable Solidly Built】— This pl259 uhf male cable is with the copper clad aluminium conductor. Flexible UV proof rf-pvc jacket, designed for 20-year outdoor exposure in harsh environments. New nickel-plated rf Industries waterproof UHF connectors, make a secure connection.
- ⭐【Prevent Coming Off】— In the UHF antennas cable we use heave pl-259 mount clamp connector, not the easy came off crimp type, the connector is solid and professionally attached.
- ⭐【Lengthen Thickening Adhesive】— Lined Heat Shrink Tube: The pl259 cable with black heat shrink tube, the length is up to 2.2 in and use adhesive-lined heat shrink to seal the cable to UHF connector after it's assembled, has good sealed end connections.
Overview
- Brand: XRDS -RF
- Connector Type: Pl-259
- Cable Type: Coaxial
- Compatible Devices: Scanner
- Special Feature: Waterproof
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Hannah Miller — Seattle, Washington
I ordered several science activity supplies for projects at home. The product descriptions made it easier to compare the available options, and everything fit neatly into our learning space. Stemora made finding tools for hands-on activities feel simple and organized. -
⭐⭐⭐⭐⭐
Daniel Foster — Austin, Texas
I found a useful selection of electronics and robotics accessories for a beginner project. It was convenient to browse related components in clearly organized categories. I would consider shopping here again when planning another maker activity. -
⭐⭐⭐⭐⭐
Lauren Bennett — Denver, Colorado
The measurement and observation tools I selected worked well for the classroom activities I had planned. I especially appreciated being able to review the product details before ordering and choose items that matched the lesson requirements. -
⭐⭐⭐⭐⭐
Jason Parker — Portland, Oregon
I purchased a few storage items and small tools for organizing my maker workspace. The products helped keep components, wires, and project materials easier to sort and access. The overall shopping experience was straightforward and convenient.
New Arrivals
-
Creator 5 Build Plate Double Sided Textured Board Removable Heated Bed - color: Gold
Regular price $34.20 USDRegular priceSale price $34.20 USD -
35PCS 3ml Vial Caps, Peptide Caps for 1ml 2ml 3ml 4ml Vials Peptide Storage Protective Cap, Reusable Silicone Vial Covers Fit Peptide Case for Fridge by DawnBox, Leak-Proof and Dust-Proof.
Regular price $13.26 USDRegular priceSale price $13.26 USD -
Koala Lens Cleaning Cloth | Japanese Microfiber | Pink & Orange (Pack of 6) - color: Pink / Orange, size: 6 Pack
Regular price $16.58 USDRegular priceSale price $16.58 USD -
IRIS USA 8-Pack, Medium Stackable Storage Bins, Black - size: Medium - 8 Pack
Regular price $59.74 USDRegular priceSale price $59.74 USD -
Dremel EZ406-02 EZ-Lock Starter Kit with Rotary Tool Cutting Wheels - size: 1-Pack
Regular price $31.49 USDRegular priceSale price $31.49 USD -
TEACH TECH Hydrobot Arm STEM Hydraulic Building Toy for Kids Ages 12+
Regular price $50.61 USDRegular priceSale price $50.61 USD -
Aodaer 30 Set Lined Notebook Journals with Pens A5 Notebooks 100 GSM College Ruled Hardcover Notebook PU Leather Notepad with Pen Holder for Office School, 5.7 x 8.3 Inches, Burgundy - color: Burgundy
Regular price $142.74 USDRegular priceSale price $142.74 USD -
IRIS USA 6-Pack, Extra Large Stackable Storage Bins, Black - size: X Large - 6 Pack
Regular price $60.31 USDRegular priceSale price $60.31 USD -
Dremel EZ406-02 EZ-Lock Starter Kit, 1 1/2-Inch Wheel Diameter, 5-Piece Fiberglass Reinforced Cut-Off Wheels and EZ402 Mandrel, Rotary Tool Cutting Disc Accessories, Pack of 2 - size: 2-Pack
Regular price $62.98 USDRegular priceSale price $62.98 USD -
PEMENOL NE555 Timer Soldering Kit, DIY Breathing LED Electronics Project Board with Through-Hole Components, STEM Circuit Learning Kit for Students, Makers & Electronics Beginners
Regular price $23.22 USDRegular priceSale price $23.22 USD -
Aodaer 30 Set Lined Notebook Journals with Pens A5 Notebooks 100 GSM College Ruled Hardcover Notebook PU Leather Notepad with Pen Holder for Office School, 5.7 x 8.3 Inches, Black - color: Black
Regular price $137.76 USDRegular priceSale price $137.76 USD -
IRIS USA 8-Pack, Large Stackable Storage Bins, Black - size: Large - 8 Pack
Regular price $63.06 USDRegular priceSale price $63.06 USD -
0-150mm Mini Vernier Caliper Metric Imperial Scale Gauge Plastic Vernier Ruler for Carpentry Student Jewelry Measuring Tool
Regular price $199.08 USDRegular priceSale price $199.08 USD -
Cool Blue Light Chemistry Kit | Do 11 illuminating experiments | Safe & non toxic | Made in the USA | Copernicus Toys…
Regular price $37.95 USDRegular priceSale price $37.95 USD -
Hoteam 100 Pcs Test Tubes with Caps, 25ml 150 x 16 mm Clear White Lid - color: White Lid
Regular price $36.50 USDRegular priceSale price $36.50 USD -
E-outstanding 9V Battery Holder 6X 1.5V AA Battery Storage Case Black Box with ON/Off Switch and Wire Leads
Regular price $13.26 USDRegular priceSale price $13.26 USD -
SPEEDWOX Fine Tips Long Nose Pliers For Jewelry Making and Fishing - Serrated Jaw, Thin Needle Nose, Wire Looping and Bending - style: Fine Tips Needle Nose
Regular price $16.25 USDRegular priceSale price $16.25 USD -
Silk Rainbow PLA+ Filament Bundle 1.75mm Multicolor 250g*4
Regular price $42.56 USDRegular priceSale price $42.56 USD
FAQ
What types of products does Stemora offer?
Stemora offers supplies for science experiments, microscopy, biology learning, measurement, laboratory organization, electronics, robotics, coding education, 3D printing, maker projects, and classroom activities. Available products and specifications may change over time.
Are Stemora products suitable for children?
Recommended ages vary by product. Please review the product description, manufacturer guidance, included warnings, and required skill level before purchasing. Products containing small parts, tools, electrical components, glass, or chemicals may not be suitable for young children.
Is adult supervision required?
Adult supervision is recommended for children and students, especially when using electrical components, sharp tools, heated equipment, glassware, small parts, or experiment materials. Customers are responsible for following all product instructions and safety precautions.
Can these products be used at home and in classrooms?
Many products may be suitable for classrooms, home learning, science projects, maker spaces, and hobby activities. Suitability depends on the specific product, learning environment, user experience, and intended activity.
How can I check what is included with a product?
Please review the product title, description, specifications, images, package quantity, and included-components section before ordering. Items shown for demonstration or scale in product images may not always be included.
How do I know whether an electronic or robotics part is compatible?
Check the listed dimensions, voltage, connector type, board compatibility, operating requirements, and supported platforms. Compatibility is not guaranteed unless it is specifically stated on the product page. Contact us before ordering if you need clarification.
When will I receive tracking information?
Tracking information is generally provided within 3–5 business days after an order is confirmed. In some cases, processing may take approximately 7–8 business days. Delivery may require an additional 4–5 business days after tracking becomes available, depending on the carrier and destination.
Why did my order arrive in separate packages?
Products in the same order may be shipped from different fulfillment locations. As a result, items may arrive separately and have different tracking numbers. You will not be charged additional shipping fees solely because an order is divided into multiple packages.
Can I change or cancel my order?
Contact us as soon as possible at vaioamaonaoak@gmail.com. We will try to assist, but changes or cancellations cannot be guaranteed once an order has entered processing or has been shipped.
What should I do if an item arrives damaged, defective, or incorrect?
Contact us promptly at vaioamaonaoak@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Please retain the product and original packaging while we review your request. Eligibility and available resolutions are subject to our Return & Refund Policy.
Blog posts
View all-
How to Organize Resistors, LEDs, and Tiny Compo...
Discover how to organize resistors, LEDs, jumper wires, and other small electronics components in a STEM classroom. This practical guide covers storage solutions, labeling systems, project kits, and inventory routines...
How to Organize Resistors, LEDs, and Tiny Compo...
Discover how to organize resistors, LEDs, jumper wires, and other small electronics components in a STEM classroom. This practical guide covers storage solutions, labeling systems, project kits, and inventory routines...
-
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
Arduino Wiring Errors: 7 Mistakes Beginners Mak...
Troubleshooting Arduino wiring errors becomes easier when you know where to look first. Learn how to identify common breadboard, power, polarity, grounding, and pin-assignment mistakes in beginner electronics projects
-
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.
The Beginner’s Wiring Mistakes That Can Quietly...
Learn how to troubleshoot common Arduino wiring errors in beginner electronics projects. Discover practical breadboard, LED, sensor, power, and grounding checks that make STEM maker projects easier to debug.

















