Silent Advisor

Radar Speed Trailer — RST-1500

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5-year warranty guaranteed.

Size & Weight

Panel Size

36″ x 29″

Display Area

30″ x 23″

Matrix Size

9 x 12 pixels

Pixel Pitch

2.6″

Display Height

42″ to the bottom of the LED display

Length (Transport Position)

150″

Length (Operating Position)

122″

Width Overall

75″

Height (Transport Position)

96″

Height (Operating Position)

168″

Weight

1,600 lbs approximately

Ground Clearance

13″ minimum

Lifting Mechanism

1,000 lb. capacity winch and cable

Display

Number of Digits

Up to three (the first digit is a 1)

Character Height

18″ standard font; 18″ bold font

Number of Fonts

Two

Speed Limit Sign

48″ w x 60″ h (122 cm x 152 cm)

Work Zone Sign

48″ w x 24″ h (122 cm x 61 cm)

Radar Frequency

24.150 GHz (K-Band)

Radar Detection Distance

1,500 feet

Radar Speed Accuracy

±0.5% of reading

Data Collection and Analysis Software

Standard

Power

Solar Array

110 watts (nominal)

Batteries

Two (2) 6-volt heavy-duty, deep-cycle (GC-2) lead acid (flooded), 260 amp hour

Protection

Battery Security

Anti-theft steel battery frame bolted to trailer

Remote Communications

Talk to your RST! Remote access, GPS tracking, and FREE lifetime cellular service.

Solar Array Upgrade

160 watt

Battery Upgrades

Two (2) maintenance-free (Gel Cell or AGM): 260 amp hour
Four (4) lead acid (flooded) or maintenance-free (Gel Cell or AGM): 520 amp hour
Six (6) lead acid (flooded) or maintenance-free (Gel Cell or AGM): 780 amp hour
Eight (8) lead acid (flooded) or maintenance-free (Gel Cell or AGM): 1040 amp hour

Battery Charger

45 Amp output, 120 volt AC
55 Amp output, 120 volt AC

Radar Speed Unit

MPH (User-Selectable)
KPH (User-Selectable)

Security Package

Vandal-proof battery box reinforced steel cage

The Silent Advisor Radar Speed Trailer RST-1500, powered by a combination of solar panels and batteries, is designed to help calm traffic and enhance safety in work zones, construction areas, and other traffic-sensitive locations.

What makes our radar & speed trailers different?

More Than Speed Feedback

From portable speed displays to queue detection and dynamic speed limit systems, SolarTech offers solutions for data collection, driver awareness, and active workzone management.

Unique Radar Speed Trailer

The SolarTech RST-V-2000 combines radar feedback and variable speed limit functionality on one trailer, reducing equipment needs while supporting advanced Smart Work Zone applications.

Remote Access for Changing Work Zones

Dynamic speed-limit and radar speed trailers support remotely updated limits and multi-function Smart Work Zone applications, giving teams the ability to adjust operations without returning to the field.