VSAT DSi9 Ku (90 cm)

SKU: 0633 6437 284 22

High speed Internet on boat, in any weather condition.

Stabilized maritime VSAT antenna with 90 cm dish size for Ku-band services.
The DSi9 Ku Evo employs state-of-the-art technology and is our most installed Ku-band VSAT antenna. With the latest generation of tracking technology the DSi9 represents the perfect solution for all requirements of a reliable and fast internet on any type of maritime vessel.

Only top quality materials are used and manufacturing is done in-house, observing tight quality control regulations and safety norms. The result is a robust and rugged stabilized antenna system with high tracking accuracy, incorporating the latest generation of tracking technology. In short, the perfect solution for those who venture into the open seas without wanting to give up a stable and fast internet connection.

90 cm
Radome dimensions (D/H)
111 cm x 114 cm
58 Kg
Azimuth range
Elevation range
-10° to +90°
Skew range
-120° to +120°
Max. tracking speed
Satellite acquisition
completely automated
0633 6437 284 22

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Questions and answers about system installation

Feed Subsystem
Reflector diameter90 cm (35.43")
Minimum E.I.R.P.43 dBW
LNBUniversal (LOF 9.75/10.6 GHz, PLL stabilized, internal ref.)
BUCSuper extended Ku (LOF 12.80 GHz, PLL stabilized, external ref.)
Available BUC power8 W / 16 W / 25 W
RX antenna gain39.5 dBi @ 12.5 GHz
TX antenna gain40.3 dBi @ 14.25 GHz
RX/TX polarizationLinear, Co-pol and X-pol
G/T>18.2 dB/K (clear sky, 30 ° elevation)
Position acquisitionInternal GNSS (GPS)
Tracking receiverInternal, 950 - 2150 MHz; BW 2.5/10 MHz
Frequency band
RX frequency10.7 - 12.75 GHz
TX frequency13.75 - 14.5 GHz
ConvertibleFrom Ku- to Ka-Band via separate kit
Drive Subsystem
Tracking technologyEPAK® Evo: Electronic Beam Forming (EBF-Gyro) + 3D Rate Gyro + 3D inertial + GNSS
EBF gyro drift calibration rate12.5 msec (80 times per sec)
Maximum tracking speed30°/s (each axis)
Azimuth rangeUnlimited
Elevation range-10° to +90°
Skew range-120° to +120°
Maximum ship motionRoll: ±30° @ 6 sec
Pitch: ±20° @ 6 sec
Yaw: ±8° @ 6 sec
Ship motion (for stabilization accuracy tests)Roll: ±30° @ 10-12 sec
Pitch: ±20° @ 8-10 sec
Yaw: ±8° @ 15 sec
Motion system2-axis plus auto skew
Power Specification
Power supply antenna (ODU)24 V DC (supplied by ACU)
Antenna input voltage TX (BUC)24, 30, 48 V DC / 250 VA (supplied by ACU)
Power consumption (ODU excl. BUC)20-100 VA (supplied by ACU)
Lock on timeTyp. 30 sec (Time to online depends on modem)
Satellite acquisitionCompletely automated by DVB-S2-Receiver and/or modem confirmation (according to ETSI 302 340)
EPAK Diversity-Kit compatibleYes
Modem approvalStandard type approval; CE & EPAK type approval
Operating temperature-20°C to 55°C
Storage temperature-30°C to 85°C
HumidityAccording to IEC 60945, 100% condensing
VibrationAccording to IEC 60945; MIL-STD-167-1
ShockAccording to IEC 60945; MIL-STD-810F
WindOperational: < 150 km/h (< 81 knots)
Survival < 200 km/h (< 108 knots)
Compass safe distance≥ 2.00 m (according to IEC60945)
ComplianceCE (Maritime), ETSI; Complies with specifications of EC directive 1999/5/EC Radio &
Telecommunications Terminal Equipment (R&TTE); compliance with EC directive
2006/95/EC, EMC directive 2004/108/EC and IEC 301-427
Antenna Control Unit
Dimensions48 cm x 4.45 cm x 47.8 cm (19" Rack 1HU size)
Gyro interfaceNMEA0183 / NMEA2000 (via RS422 or RS232) / SIMRAD RGC11
Input voltage, frequency90~264 V AC, 47~63 Hz
External I/OEthernet, USB 2.0
Local user interfaceLCD - 2 push keys
Modem interfaceEthernet port
Remote accessTCP/IP
GPSBuilt-in GPS
Dimensions and Weight
Radome (D x H)111 cm × 114 cm (43.7" × 44.9")
Weight (incl. Radome)58 kg (127.87 lbs)


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