ELECRAFT K3S - Page 2

Elecraft • www.elecraft.com • 831-763-4211
Technical content subject to change without notice
For more information, please contact: sales@elecraft.com
Q: What components have been changed for the K3S? Are they available for the K3?
A: Nearly all internal modules have been upgraded for the K3S. Some of the modules that are
compatible with the K3 are already available:
K3S
Module
New Features
Available now?
KSYN3A
• Very low close-in phase noise
• Faster T/R switching
• VFO tuning down to 100kHz (with KBPF3A)
Yes
Kits available for order now.
Please order KSYN3AUPG
KXV3B
• Built-in low noise preamp for 12/10/6 m
Yes
Kits available for order now.
KAT3A
Includes true bypass relay for lower loss with well-
matched antennas
Yes
Kits available for order now.
KRX3A
Sub receiver now includes KSYN3A synthesizer.
Yes
Kits available for order now.
KBPF3A
Redesigned filter extends Very Low Frequency
(VLF) operation down to 100 kHz.
Yes
Kits available for order now.
Q: Will any other K3S modules or components be made available for K3 use?
A: Yes. The following additional K3S modules and components are compatible with the K3,
and will be offered once excess inventory is available for upgrade purposes:
K3S
Module
New Features
When Available?
KIO3B
• Adds direct USB connection
• Eliminates need for PC soundcard and cables
• RS232 connection remains supported; adapter cable
included with K3S
Available later this year
Main DSP
board
Enhanced speaker amplifier with low-distortion pre-
driver.
Available later this year
Soft-touch
VFO A band
• Updated design with new grip pattern
• Softer material for improved tuning feel
Available later this year