R399
broadbandbroadband
broadband
Preliminary
2 to 3 kW
Dual-Frequency
Lower the frequencies
for your fishing.
Frequency Agility
Airmar’s new Broadband R399 is different from the R299
because it operates at lower frequencies between
25 kHz to 45 kHz and 130 kHz to 210 kHz. Adjusting
the frequency allows you to change the R399's
beamwidth and depth capabilities. For example if you
are bottom fishing in 61 m (200') of water, the narrow
high-frequency beam will display extreme bottom
detail and fish holding tight to structure. If you are
tuna or marlin fishing in deep blue water, the wider,
low-frequency beam will not only give deep-water
bottom detail, but more importantly show you more
of what is around your vessel—including bait which
may attract game fish.
Power to Beat the Band
Widen the band and increase the catch with the R399.
Because the R399 has a bandwidth that covers a
continuous frequency spectrum, next generation
fishfinders can be made “tunable”, so fishermen can
“dial-in” the best frequency for the target fish species or
conditions.
• The best in-hull performer in
Airmar’s professional line of
fishfinder transducers for
vessels 12 m (40’) and up
• Only transducer on the market
that can operate at both 28
or 38 kHz
• Super low ringing for accurate
discrimination between closely
spaced targets
• Recommended for solid fiberglass
hulls
• Can be externally mounted in a
conventional steel tank
• Non-toxic anti-freeze (propylene
glycol) is used to fill the tank
• MarineTex™ epoxy is used to
adhere tank to the hull
R399
Technical Information
2 to 3 kW
ual-Frequency
D
Specifications
Frequencies Number of Rated TVR RVR
Elements and RMS Power
Configuration (W)
25-45 kHz-A 3 kW 169dB -167dB
130-210kHz-BRlq 2 kW 172dB -184dB
Weight: . . . . . . . . . . . .27.5 kg (60.6 lb)
Hull Deadrise Angle: . . . . . . . . .0° to 25°
*does not calculate losses through the hull.
Figure of Merit
The graph shows that the R399 can run
optimally at a wide range of frequencies.
As Airmar constantly improves its
products, all specifications are subject
to change without notice. All Airmar
products are designed to provide high
levels of accuracy and reliability;
however, they should only be used as
aids to navigation and not as a
replacement for traditional navigation
aids and techniques.
10
0
-10
-20
(1)
-30
dB
-40
-50
-60
-70
20 30 40 45 50
Frequency (kHz)
25-45 kHz 130-210 kHz
FOM* -5 -12
Q 3 2
10
0
-10
-20
(1)
-30
dB
-40
-50
-60
-70
130 140 160 180 200 210
Frequency (kHz)
R399 Dimensions
R399 transducer
36.2 mm
4
(17.18”)
375 mm (14.75”)
22°
162 mm (6.38”)
123.5 mm
(4.86”)
23.5 mm
2
8.80”)
(
12°
221.6 mm
(8.73”)
Directivity Patterns
28 kHz 38 kHz 45 kHz
50°
60°
70°
80°
90°
100°
110°
120°
130°
140 kHz 170 kHz 200 kHz
50°
60°
70°
80°
90°
100°
110°
120°
130°
30°
40°
140° 150° 160° 170° 180° 170° 160° 150° 140°
30°
40°
140° 150° 160° 170° 180° 170° 160° 150° 140°
20°
20°
10°
10°
0°
-10dB
-20dB
-30dB
-40dB
0°
-10dB
-20dB
-30dB
-40dB
10°
10°
20°
20°
-3dB Beamwidth
...11°x17°
30°
40°
-3dB Beamwidth
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
...7°
50°
60°
70°
80°
90°
100°
110°
120°
130°
0°
10°
20°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140° 150° 160° 170° 180° 170° 160° 150° 140°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140° 150° 160° 170° 180° 170° 160° 150° 140°
20°
10°
-10dB
-20dB
-30dB
-40dB
0°
-10dB
-20dB
-30dB
-40dB
10°
10°
20°
20°
-3dB Beamwidth
...9°x15°
30°
40°
-3dB Beamwidth
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
...6°
50°
60°
70°
80°
90°
100°
110°
120°
130°
0°
10°
10°
10°
20°
-10dB
-20dB
-30dB
-40dB
0°
-10dB
-20dB
-30dB
-40dB
30°
10°
20°
30°
©Airmar Technology Corporation.
20°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140° 150° 160° 170° 180° 170° 160° 150° 140°
20°
30°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
140° 150° 160° 170° 180° 170° 160° 150° 140°
-3dB Beamwidth
...7°x13°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
-3dB Beamwidth
...5°
40°
50°
60°
70°
80°
90°
100°
110°
120°
130°
R399_rD 10/17/07
Tel: 603.673.9570 • Fax: 603.673.4624 • www.airmar.com