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  • SCS P4Dragon DR-7800 Pactor 4 modem

SCS DR-7800 Pactor 4 P4Dragon Modem


SCS introduceert deze extreem snelle SSB e-mail / Sailmail modem met Pactor-4 software en ingebouwde USB-aansluiting; de P4-DRAGON DR7800. Door nieuwe softwarealgoritmes is de dataoverdacht bij slechte radio omstandigheden sterk verbeterd.

De datasnelheid kan oplopen tot wel 2x die van Pactor-3 tot 10.500 Baud. De P4-Dragon modem is 1:1 uitwisselbaar met alle voorgaande Pactor soorten (1+2+3) en bruikbaar voor Navtex en weerfax (weatherfacsimile). Het grote voordeel is dat er binnen de Sailmail of Winlink tijdlimiet meer E-mail verkeer kan plaatsvinden.


SCS is setting the new Standard for radio data communication.

The brand new HF-modem P4dragon DR-7800 is the no compromise further development of the legendary PTC-II, which was designed for professional use and for the ambitioned amateur radio enthusiast.


SCS is proud to present its new P4dragon DR-7800, a completely new development, and the first PACTOR-4 capable short-wave modem. P4dragon stands for the most ingenious data transfer algorithms and the highest computing power possible in PACTOR controllers of the 4th generation.

Max. 10500 bps net

2x faster than P3

Backward compatibel

2400 Hz bandwidth

Highly adaptive

10 Speedlevels

High interference immunity

6 auto-notches

Adaptive equalizer

The fast quad-core DSP used in the DR-7800 enables for the very first time, a high data rate, approaching very close to the Shannon limit, as well as an extremely high immunity to interference. PACTOR-4, with its 10 speed levels and adaptive equalizer, adjusts itself ideally to varying channel conditions, and guarantees reliable data transfer even under very poor propagation conditions. Due to this high reliability, P4dragon modems allow transmission of safety relevant data via shortwave, and provide an excellent value for money when compared to many satellite services.

The DR-7800 has been optimized for use with the new high-end data transmission mode PACTOR-4. This offers unexcelled fast and robust data links via shortwave; E-mail almost like at home – from any point on earth. The DR-7800 is software compatible to the PTC-II series so that existing PACTOR software (AirMail, RMS Express, Alpha etc) can continue to be used. The elegant design, and the excellently readable and informative OLED display, as well as the easy upgrade possibilities (free updates!) round up the concept of the most modern short-wave modem from SCS, the creators of PACTOR.

Switch plugs and go...

Due to the plug compatibility of the radio ports, a change from the tried and tested PTC-II technology to the innovative P4dragon technology is very easy. Change over the plugs, turn on, and enjoy PACTOR-4!

To the limit

DR-7800 means "High end" in both hard and software. 6.4 Billion arithmetical operations per second, and hand optimized DSP algorithms, enable an unexcelled PACTOR performance. Reference class!


•Operating modes: PACTOR-4, PACTOR-3, PACTOR-2, PACTOR-1, weather-FAX (Receive), GPS decoder.
•Processor: Quad core DSP from Freescale, 6400 MIPS, 64 Bit Connections: USB, (Opt.: Bluetooth, Ethernet, USB-master), GPS (RS232 and TTL), 2 x radio AF / PTT (Main, Aux, configurable - PTC-II compatible or symmetrical, opt. dual-port operation), 1 x radio-remote control (all usual transceiver types), microphone input, loudspeakeroutput (2W)
•Audio level / imp.: Input: max 5.5 V p-p, 15 kΩ, output: max. 9 V p-p, 300 Ω
•Display: 256 x 64 pixel OLED, blue, high contrast, excellent readability, no viewing angle problems, display of spectrum and much more.


•Power supply: 10 – 26 V 400 mA (max at 10 V input)
•Weight / size: 770 g, 172 x 43 x 205 mm (width, height and depth)

N.B. ALE en AES kan toegevoegd worden tegen meerprijs

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SCS P4Dragon DR-7800 Pactor 4 modem

  • Merk: SCS
  • Productcode: DR7800
  • Beschikbaar: Op voorraad
  • € 1.498,00

  • Excl. BTW: € 1.238,02

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