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Products > SCS PACTOR HF Modems > DR-7800

P4dragon DR-7800

Our HF modem P4dragon DR-7800 is the uncompromising advancement of the legendary PTC-II which is designed for professional deployment and for the ambitious amateur radio operator. DR-7800 is software-compatible with PTC-II which means that one may continue to use the existing software, such as AirMail, RMS Express, Alpha, etc., for PACTOR as well. Due to the pin compatibility of the radio equipment ports a change-over from the well-tried PTC-II technology to the innovative P4dragon technology is made convenient: re-plug, switch on and enjoy the higher speed and robustness with the PACTOR connectivity!
The elegant design and the excellently readable and informative OLED display including the simple upgrade facility (updates free of charge!) round off the concept of the absolutely latest shortwave modem from the house of SCS.

DR-7800 can be ideally used for HF email, for example, over the Winlink network. Externally, it stands out due to its high-resolution OLED display which, among other things, can be configured for waterfall and spectral views. Thanks to its reliability and low power consumption of 3 W, the new modem is also well-suited for distress radio communications and other applications under severe conditions.
dr7800 pactor mf hf modem

1. DR-7800, Technical Data
Operating Modes PACTOR-4, PACTOR-3, PACTOR-2, PACTOR-1
Weather-Fax(receive), GPS Decoder
Processor Quad Core DSP by Freescale
Computing Power 6,400 MIPS
Permanent Storage Flash-ROM(Update via the user interface), EEPROM for Parameters
Operating System Real-time multitasking operating system
Connectivity User Interfaces:
- Bluetooth(optional)
- Ethernet(optional)
- USB-Master(optional)

- GPS Input(RS 232 and TTL)

2x transceiver ports("Main" and "Aux", switchable, optional for dual-port operation, symmetrical or unsymmetrical operation can be chosen, with un symmetrical operation PTC-ll compatible connections)
Input Impedance: 15 kOhm
Output Impedance: 300 Ohm
Output Level(open output): 9V p-p max, freely adjustable
Input Level: Max. 5.5V p-p

Mic. Input(high impedance)
Speaker Output(low impedance, 2W)
Display 64x256 pixel, OLED, blue, high contrast, excellent readability, with no viewing angle problems, brightness adjustable in 16 steps, display of waterfall and spectral views and much more, display modes can be adjusted.
Time Base temperature Stabilized(TCXO, 1ppm)
Transceiver Control Over an internal multi-level interface, compatible with Kenwood, Icom and Yaesu transceivers and many other models
Control Elements Sensor key for ON.OFF and menu control via the OLED display
Rear-side 4xDIP switches for basic configuration
Power Consumption 400mA(Max. with 10V input voltage)
Power Input Max. Approx. 3W at 13.8V
Supply Voltage 10..28V
Weight 770g
Dimension 172 x 43 x 205 mm
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