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Sorry, the SideKar Extreme is sold out.  The accessories shown at the bottom of this page are still available.

But don't worry, our new product, The SideKar Decoder Edition will be available soon.  It will have the features of the SideKar Extreme PLUS a CW decoder built-in.  All you have to do is feed it audio from your rig's headphone or speaker jack.   Click here if you'd like to be notified when it is available.


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SideKar Extreme
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SideKar Extreme

$299.00
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  • a one foot (305 mm) serial cable, with right angle 3.5mm connectors for connection to the Elecraft KX2 or KX3, or for keying another rig
  • If ordered for a Yaesu FT-817, FT-818, FT-857, or FT-897, also includes a two foot (610 mm) custom interface cable
  • If ordered for a QRP Labs QCX Classic (revs 1-5), includes a free CAT Port Kit
  • If ordered for a Xiegu G90 or X5105, also includes a one foot (305 mm) custom interface cable
  • Includes a KX3 mounting bracket when ordered for a KX3.  Specify the rig when "Adding to Cart".  An optional Tall Leg for the desktop is available (see accessories below). 


SideKar Extreme Package 1

$346.90 $329.00
View Details
  • SideKar Extreme
  • Compact Wireless Keyboard 
  • Power Splitter
  • a one foot (305 mm) serial cable, with right angle 3.5mm connectors for connection to the Elecraft KX2 or KX3, or for keying another rig
  • If ordered for a Yaesu FT-817, FT-818, FT-857, or FT-897, also includes a two foot (610 mm) custom interface interface cable
  • If ordered for a QRP Labs QCX Classic (revs 1-5), includes a free CAT Port Kit
  • If ordered for a Xiegu G90 or X5105, also includes a one foot (305 mm) custom interface cable
  • Includes a KX3 mounting bracket when ordered for a KX3.  Specify the rig when "Adding to Cart".  An optional Tall Leg for the desktop is available (see accessories below). 

SideKar Extreme Package 2

$351.90 $334.00
View Details
  • SideKar Extreme
  • Slim Wireless Keyboard 
  • Power Splitter
  • a one foot (305 mm) serial cable, with right angle 3.5mm connectors for connection to the Elecraft KX2 or KX3, or for keying another rig
  • If ordered for a Yaesu FT-817, FT-818, FT-857, or FT-897, also includes a two foot (610 mm) custom interface cable
  • If ordered for a QRP Labs QCX Classic (revs 1-5), includes a free CAT Port Kit
  • If ordered for a Xiegu G90 or X5105, also includes a one foot (305 mm) custom interface cable
  • Includes a KX3 mounting bracket when ordered for a KX3.  Specify the rig when "Adding to Cart".  An optional Tall Leg for the desktop is available (see accessories below). 



SideKar  Extreme Accessories
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Compact Wireless Keyboard

$27.95 $22.95
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Slim Wireless Keyboard

$27.95
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9-volt Battery Holder with Cable & Plug

$6.95
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Power Splitter

$19.95
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Serial Cable

$7.95 $5.95
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Kickstand for SideKar Decoder Edition, Extreme or KX2

$7.50
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SideKar (all versions) KX3 Mounting Bracket

$6.95
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Yaesu FT-817/818/857/897 Interface Cable

$16.00
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SideKar (all versions) KX2 Mounting Brackets

$12.95
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K3/K3s DB-9 to 3.5mm cable + 3 foot extension

$19.95
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KX2, KX3, K3, K3s: All rights reserved by Elecraft.   IC-705: All rights reserved by Icom.  Nifty Stand: All rights reserved by Nifty Accessories.       
Patents Pending. All rights reserved. Copyright (c) QRPworks 2025