Customer Service

For inquiries, email us at [email protected]

Sales

For sales related concerns, email us at [email protected]

Contact Us at

+852 2557 8166

Marine Satellite TV Antenna
Anemometer
GPS Navigator
4-in-1 Chart Plotters
5-in-1 GPS Chart Plotter
GPS Plotter
GPS/Plotter/Sounder - Combo
GPS Plotter with AIS
AIS Products
Marine Radar
Fish Finder
Transducers
Auto Pilot and Accessories
Multi Function Display
Electronic Compass
NMEA0183 Products
NMEA2000 Devices
Others
VHF Radio
CB Transceivers
Accessories
DISCONTINUED

KRA-1007_N/ KRA-1007W

Radome Radar Antenna

 

Features

  • Digital Radar Target Technology
  • Share the same protocol between all ONWA magnetron pulse Radar antennas
  • Built-in excellent sea and rain clutter algorithm
  • Fully Digital Signal Processing
  • High Performance Microwave front end
  • Can be connected to PC directly or through home router
  • Can use with DigiNav Application Software
DigiNav

 

Connection

KRA-1007 Connection:

KRA-1007 Connection

KRA-1007W Connection

KRA-1007W connection

 

Specifications

 Antenna Radiator 

Radiator
Slotted waveguide Array
Radiator Length
55 cm
Antenna Rotation Speed
24 RPM (±2)
Wind Resistance
Relative wind speed 100 knots(51.5 m/s)
Beam Width
Horizontal 4°
Vertical 25°
Sidelobe
Within ± 20° off mainlobe; less than -18 dB
Outside ± 20° off mainlobe; less than -23 dB
Polarization
Horizontal

 

 Transceiver Module (contained in Radome) 

Transmitting Tube
MSF1421B or MAF1421B
Frequency
9410 ± 30MHz (X-band)
Pulse Length PPR
0.08 µ S/2100 Hz(0.125, 0.25, 0.5, 0.75, 1.5 nm)
0.3µ S/1200 Hz(1.5, 2, 3 nm)
0.8 µ S/600 Hz(3, 4, 6, 8, 12, 16, 24, 36nm)
Warm Up time
1:30 minutes
Peak Output Power
4 kW nominal
Modulator
FET Switching Method
IF
60MHz
Tuning
Automatic or Manual
Receiver front end
MIC (Microwave IC)
Bandwidth
Tx pulselength 0.3 µ S and 0.08 µ S: 25 MHz
Tx pulselength 0.8 µ S: 3 MHz
Duplexer
Circulator with Diode Limiter
WIFI Module (For KRA-1007W ONLY)
Standard: IEEE802.11n, IEEE802.11g, IEEE802.11b
Channels: 1~11
Frequency Range: 2.4-2.4835G
Transmit Power:15-20dBm

 

 Environment 

Temperature
Antenna unit: -25 to +70°C
Humidity
Relative humidity 93% or less at 40°C

 

 Power Supply 

10.5VDC to 40.0 VDC Built-in Power-Supply

 

Dimensions