SKU: 18581154741

Sigma LW-10

Sale price$76.45 Regular price$84.95
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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14

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Description

Sigma LW-10De Sigma LW 10 HF 40 6m draadantenne is een veelzijdige antenne die perfect is voor radioamateurs die een breed scala aan frequenties willen bestrijken. Het hart van deze antenne is de 9: 1 UNUN, die de impedantie van ongeveer 450 Ohm omzet naar de 50 Ohm die uw transceiver verwacht. Deze antenne biedt een betrouwbare oplossing voor een efficinte signaaloverdracht over de HF banden van 40m tot 6m. Kenmerken van de Sigma LW 10 HF Draadantenne:

De Sigma LW-10 HF 40-6m draadantenne is een veelzijdige antenne die perfect is voor radioamateurs die een breed scala aan frequenties willen bestrijken. Het hart van deze antenne is de 9:1 UNUN, die de impedantie van ongeveer 450 Ohm omzet naar de 50 Ohm die uw transceiver verwacht. Deze antenne biedt een betrouwbare oplossing voor een efficiënte signaaloverdracht over de HF-banden van 40m tot 6m.

Kenmerken van de Sigma LW-10 HF Draadantenne:

  • Efficiënte impedantie-omzetting: De 9:1 UNUN zorgt voor een optimale aanpassing van de impedantie, wat essentieel is voor de prestaties van uw transceiver.
  • Aansluitingen: De UNUN heeft drie aansluitingen: een SO-239 connector voor de coaxiale voedingslijn en twee machineschroeven met vleugelmoeren voor de draadantenne en de aardverbinding.
  • Eenvoudige installatie: Bevestig het voedingspunt zo hoog mogelijk, bijvoorbeeld aan een paal of muur. Span de draad horizontaal of in een andere configuratie die past binnen de beschikbare ruimte.
  • Brede frequentieband: De LW-10 werkt op alle HF-banden van 40m tot 6m met een externe ATU.
  • Robuuste constructie: Gemaakt van hoogwaardige materialen voor duurzaamheid en betrouwbaarheid.

Installatie tips:

  • Gebruik een goede 50 Ohm coaxkabel, bij voorkeur RG-213 of Mini 8.
  • Verbind de andere kant van uw coaxkabel met uw ATU en vervolgens van de ATU naar uw transceiver.
  • Voorzie de aardverbinding met een draad naar een grondpen om statische opbouw en blikseminslag te verminderen.
  • Bij gebruik van een high-power versterker is het essentieel om een externe ATU tussen de antenne en de versterker te plaatsen om schade te voorkomen.

Belangrijke opmerking:

De vermogenscapaciteit van 400W CW of 500W SSB is alleen voor intermitterend amateurgebruik. Voor AM-uitzendingen of digitale datamodi (FT-x, RTTY, etc.) is een hogere vermogen Balun vereist.

De Sigma LW-10 HF draadantenne biedt een uitstekende oplossing voor radioamateurs die op zoek zijn naar een betrouwbare en veelzijdige antenne voor gebruik over een breed frequentiebereik. Dankzij de robuuste constructie en de efficiënte impedantie-omzetting kunt u rekenen op optimale prestaties en een lange levensduu


Shipping Notes
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Exchange/Return Notes
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SKU: 18581154741

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4.7 ★★★★★
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Amazon User
Grantham, US
★★★★★ 5
Soccer ball just for dogs
Size: 6 Inch Diameter, Color: Ocean Blue
I could say "soccer", and our shoodle would wag her tail ready to play soccer with a tennis ball so I tried out this real soccer ball with her. Mostly, she just wants to wait for me to kick it, playing defense, so she can chase it like the tennis ball. After that she wants to usually bite it or roll over on top of it as a way to secure the ball, but sometimes she will have fun pushing it around with her nose or paws. She still prefers the frisbee for play time outside since the frisbee is good for catching and for playing tug-o-war, but this is a good alternative that always gets her wagging with excitement. I wanted to get a regular 6" soccer ball for our shoodle, but this was a good choice for dogs for the durability and safety of the rubber material. The hexagons give the dog some grip to pick it up. The rubber is soft enough to grip and expel air when they do figure out how to grip it. The ball is designed to suck back in air when the dog releases the ball. - Durable rubber material ideal for dogs - Dog can squeeze out air to grip it - Ball fills back up with air after air is squeezed out - Can make more noise than a leather soccer ball - Noise is still tolerable when used indoors
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Reviewed in the United States on April 29, 2026
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Verified Purchase
Zachary shock
Lowell, US
★★★★★ 5
Good for aggressive cheers. Reinflates everytime even when punctured
Size: 6 Inch Diameter, Color: Apple Green
I have an aggressive cheer that will tear apart anything. I bought this a few months ago and it is covered in puncture holes but it reinflates everytime. Best dog toy ever she loves it. I would buy a dozen of these. The medium size is perfect for my mini bull terrier. Big enough to not get completely in her mouth but small enough that she can still grip it to carry it around
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Reviewed in the United States on April 21, 2026
L
Verified Purchase
L Stoltzman
Louisville, US
★★★★★ 5
Dog approved for fun, human approved for durability for the price.
Size: 8 Inch Diameter, Color: Orange
This has been my dogs favorite outdoor toy for years . I love these because they are durable and won't deflate when bitten or when carried around in their mouth.... no matter how many holes the dogs put in them. We leave these outside year round even in Minnesota winters. It is strong enough to hold up yet soft enough to be safe on their teeth. Now I do want to say although it is really durable it is not indescribable. IF you have a heavy chewer or a dog that loves to destroy toys, they would need supervision with this I think. My dogs don't try to chew this up but they do wear out over time. We replace it every 2 to 3 years on average. Definitely dog approved and recommended in my home, and human approved for cost and durability. I hope your dogs love it as much as mine do.
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Reviewed in the United States on May 6, 2026
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Jamie P.
Cuba, US
★★★★★ 5
Best ball for dogs!
Size: 8 Inch Diameter, Color: Red
This is the best quality and long lasting ball for dogs. It's soft enough to kick and durable enough to where they can chew and chew and it will not lose It's shape. We play hardcore everyday for months and it holds up. Never have to worry about chunks falling off and peeling. Border Collie approved!! Also, $8 cheaper off amazon VS pet store or pet store website. You'll know when it has to be replaced once you have to manually re-inflate with your hands but thats after many many months.
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Reviewed in the United States on April 30, 2026
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Jonathan
Chelsea, US
★★★★★ 4
GOOD BALL
Size: 6 Inch Diameter, Color: Apple Green
This is my second time buying this ball for my blue heeler, and it is easily his favorite toy. It is very sturdy, especially for hard-playing dogs, and handles rough outdoor play sessions effortlessly. The design is brilliant because it does not go flat, yet my dog is still able to bite it and get a good grip on it. It’s the perfect combination of being tough but still flexible enough for a dog to enjoy carrying around. For comparison, our first ball finally stayed flat after a solid 2 months of non-stop, hardcore playing, which is a massive win compared to other toys he destroys in minutes. If you have an active, high-energy dog that loves to play rough, this ball is highly recommended!
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Reviewed in the United States on June 9, 2026

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