Authorized PACTOR Modem Dealer

RELIABLE COMMUNICATION FROM ANY POINT ON EARTH

‍The ‍high ‍speed ‍protocol ‍‍PACTOR-4 ‍(P4) ‍is ‍‍THE ‍HF-Data ‍protocol ‍of ‍the ‍4th ‍generation, ‍using ‍the ‍most ‍modern ‍methods ‍of ‍adaptive ‍channel ‍equalization, ‍channel ‍coding ‍and ‍source ‍compression.

Sea-Tech Systems is your Authorized Pactor Modem dealer that provides support, sales, and service of SCS Pactor modems radios. We have the latest P4 (PACTOR4) Dragon Modems, radio interconnection cables, and other accessories to complete your Packet Radio install!

(January 9, 2026)  PACTOR Customers!!  We are working directly with SCS to bring the new Dragon modems into the USA as soon as possible.   If you are looking for PACTOR modems, cables, etc please reach out to use via email for now ([email protected]) and let us know what you need and how quickly you need it.  This will help us determine how best to stock the new hardware items.  Thank you!!

Access Winlink, Sailmail, and more through your high-performance PACTOR-4 installation!

Highlights of PACTOR-4:

• 10500/5500 bps net (PMC/uncompressed)
• At least twice as fast as PACTOR-3 the same power and bandwidth!
• Backwards compatible with PACTOR-1/-2/-3
• 2400 Hz bandwidth
• Highly adaptive (10 speed levels)
• High interference immunity (up to -20 dB @ 3 kHz)
• 6 auto-notches
• Adaptive equalizer

PACTOR Modem Useful Links:

• SCS PACTOR Modem Downloadable Software
• PACTOR Modem Radio Interconnect Cable Cross-Reference
• Airmail Radio-Pactor Setting Reference
• Article: Do I Really Need an HF/SSB Radio?
• Article: SSB Net Schedules
• Article: HF WeatherFax Reception with your Smartphone

Check out our SSB Specific Page also!