More Amateur Radio Transceivers:
AMAZON | eBay

ELECRAFT K3 and K3S 500HZ CW and DATA Filter - KFL3A-500 - PERFECT CONDITION

Get crystal-clear audio and top-notch performance with this like-new filter designed for your K3 and K3S transceivers

Product Price

$124.88 $112.39

Product Review Score

4.53 out of 5 stars

180 reviews

Product Summary

Looking to upgrade your K3 or K3S? The ELECRAFT K3 and K3S 500HZ CW and DATA Filter is in perfect condition and can enhance your experience with clearer signals.

We found the best options for you

Loading...

When you order through these links, we may earn a commission at no additional cost to you.

Additional Product Details

  • Perfect for improving your CW and digital mode performance
  • High-quality 500Hz filtering for clearer signals
  • Designed specifically for ELECRAFT K3 and K3S models
  • Easy installation with no need for complicated setup
  • Enhances your ability to pick out weak signals in crowded bands
  • Durable construction ensures long-lasting use
  • Gives you that extra edge in contests and casual operating
  • Compact size fits well within your existing transceiver setup
  • Makes a noticeable difference in receiver clarity and selectivity
  • Ideal for both beginners and experienced operators

View more Elecraft products.

Our Policies

Secure Checkout
Guaranteed safe & secure
Fast Shipping
Fast shipping to your doorstep
ELECRAFT K3 K3S KRX3 SUBRECEIVER - OPTION  - w/ 2.8 SSB Filter   SALE

Elecraft K3S Subreceiver with Filter

Product Review Score

4.32 out of 5 stars

210 reviews

$549.98

Elecraft P3 Panadapter   -  Works great  with   cables # 3364

Elecraft P3 Panadapter Bundle

Product Review Score

4.14 out of 5 stars

127 reviews

$649.88 $617.39

Te Ne Ke Morse code  Key For Qrp Radios Such As QCX, Elecraft Kx-2 Kx-3.

Morse Key for QRP Radios

Product Review Score

4.44 out of 5 stars

181 reviews

$70.00

Paddle for Elecraft KX2 and KX3 QRP radio Morse CW Iambic kit, GENUINE by KM4CFT

KM4CFT Iambic Paddle Kit

Product Review Score

4.44 out of 5 stars

140 reviews

$49.97