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BR-24 Broadband Radar Unit, Manual, and Wiring Information


Broadband Radar

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Frequently Asked Questions

 What Lowrance units are compatible with the BR24?

 HDS-5, HDS-5M, HDS-7, HDS-7M, HDS-8, HDS-8M, HDS-10, & HDS-10M. (In some cases software updates may be required.)

 Are other brands compatible with the BR24?

 Yes. Northstar 8000i (12,15), M84, & M121.  Simrad GB40, NX40, NX45, NSE, NSO, & NSS. (In some cases software updates may be required.)

 What are the fuse values?

 5 amps



 FCC Part 80 and Part 90; FCC ID RAYBR24

IC ID 4697A-BR24, CE Mark


 IEC60945 4th Edition 2002-2008                                                  Operating Temperature: -13° to +130°F (-25° to +55°C)                    Relative Humidity: +95°F (+35°C), 95% RH                          Waterproof:  IPX6

 Relative Wind Velocity

 51 m/sec (Max: 100 Knots)

 Power Consumption (with 10 m cable)

 Operating: 19 W (Typ.) @ 13.8 Vdc                                               Standby: 2 W (Typ.) @ 13.8 Vdc ~ 150 ma

 DC Input (at end of radar cable)

 9 V to 31.2 V DC (12/24 Volt Systems)                                               Reverse Polarity Protection

 Transmitter Source (Pre-heating time)

 No magnetron - Instant On

 Outside Dimensions

 Height 11" x Diameter 19.3"  (280 mm x 489 mm)

 Weight (no cable)

 16.31 lbs  (7.4 kg)

 Radar Ranges

 200 ft (50 m) to 24 nm with 17 range settings

 Rotation Speed

 24 rpm +/- 10%

 Transmitter Frequency

 X-band - 9.3 to 9.4 Ghz

 Transmitter Source (warmup time)

 No Magnetron - all solid state.  Instant On

 Plane of Polarization

 Horizontal Polarization

 Transmitter Peak Power Output

 100 mW nominal

 Main Bang Dead Zone

 None - not a pulse radar.

 Sweep Repetition Frequency

 200 Hz

 Sweep Time

 1 ms

 Sweep Bandwidth

 70 MHz max

 Horizontal Beam Width  (Tx and Rx antenna)

 5.2° +/- 10% (-3dB width)

 Vertical Beam Width  (Tx and Rx antenna)

 25° +/- 20% (-3dB width)

 Side Lobe Level (Tx and Rx antenna)

 Below -18 dB (within ± 10°); Below -24 dB (outside ± 10°)

 Noise Figure

 Less than 6 dB

 Comms Protocol

 High Speed Ethernet or Serial


 NMEA0183 / NMEA2000 / SimNet with interface box

 Interconnecting Cable Standard Lengths

 Lowrance: 33 ft (10 M) Part # AA010211                                        Simrad, Northstar 65.6 ft (20 m) Part # AA010212

 Maximum Interconnecting Cable Length

 98.5 ft (30 m) optional cable Part # AA010213

 Bolts (4)

 M8 x 30 mm - 304 stainless steel


 W 9.17" (233 mm) (port / starboard) x L 5.55" (141.5 mm)

BR24 Wiring Information for HDS Units

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BR24 Dimensions

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