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Last modified 2026-10-12

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Rhotheta RT-800

A picture of Rhotheta RT-800

SPECIFICATIONS

GENERAL
Type:RDF receiver
Frequency range: Standard: 118-410 MHz in four bands
Civil airband:   118.000-123.999 MHz
Marine VHF:   156.000-162.025 MHz
Military airband:   240.000-245.975 MHz
Cospas-Sarsat:   406.022-410.000 MHz

Optional extended range: 118-470 MHz in four bands
Civil airband:   118.000-136.993 MHz
Marine VHF:   137.000-224.995 MHz
Military airband:   225.000-399.975 MHz
Cospas-Sarsat:   400.000-470.000 MHz
Tuning steps:5 / 8.33 / 25 KHz
Frequency stability:±2 ppm @ -30 to +80°C (-22 to +176°F)
Mode:AM / FM / A3X / F1D / G2D / Cospas-Sarsat (400 bd)
Channels / memory management:
Power supply:Mains: 85-264 VAC
or 12-28 VDC
Current drain / power consumption:30 W @ 230 VAC
Built-in antennas:No
External antenna impedance / connector:- / RS485
Dimensions (W*H*D):Display unit (DCU): 485*146*247 mm (19.1*5.75*9.72")
Antenna unit (AU): 201*810*201 mm (7.91*31.89*7.91")
Weight:Display unit (DCU): 5.9 Kg (13 lb)
Antenna unit (AU): 5.2 Kg (11.46 lb)
Other features: Color TFT (320*240 pixels). RS-232C. Ethernet (NMEA and audio streaming).
Alarm relay. GPS option (RS422)




RECEIVER SECTION
Receiver system: ?
Sensitivity: VHF/UHF: <0.1 uV (No S/N reference)
Cosapas-Sarsat: <0.15 uV (No S/N reference)
Squelch sensitivity:
Noise figure:
Selectivity:
Image rejection:
AF output power / speaker:4 W at ?% distortion / ? ohm
External speaker connector:




MISCELLANEOUS
Manufactured:Germany, 201x-20xx
Additional info: Bearing accuracy: ±2°
Related documents: Installation and configuration manual v1.04 (3.3 MB)
Modifications and fixes:
Reviews:
Options / Accessories:
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A rear picture of Rhotheta RT-800
A picture of Rhotheta RT-800 antenna unit