Compact Mobile Footprint
A 23" × 23" sign and 20" LED display on a towable trailer for changing locations.
Winstar Road Supply is a leader in traffic safety solutions, offering digital radar speed signs engineered for safer roads and communities. Our mission is to enhance road safety by providing real-time information to drivers and promoting better road behaviors.
The results of using Winstar Road Supply's radar speed signs are impressive, with speed reductions of up to 25% and overall compliance with speed limits increasing by up to 70%.
Winstar Road Supply is known for its unwavering commitment to quality and durability, complying with MUTCD and ISO 9001 standards. Our radar speed signs are resilient, enduring, and connected, making them a great investment in promoting road safety.
Each Winstar CT-400M Compact Speed Radar Trailer is custom made to order, please allow 1-3 weeks lead time.
Winstar™ CT-400M Compact Speed Radar Trailer
Sign Size: 23" x 23"
LED Digit Sizes: 11" Digits
LED Displays: 20" Diagonal Matrix LED Display
LED Configurations: High Intensity Amber Matrix LEDs (11" Digits) or High Intensity Green - Red Matrix LEDs (11" Digits)
Display LEDs
• 2 Digits, Symbols, Text, High Intensity Matrix LEDs (Up to 100,000 Hours)
• Automatic Intensity Ambient Adjustment, Easily Visible Up To 1,000+ Feet
• Optional: Smiley Face, Sad Face, SLOW DOWN, TOO FAST, or Custom Text
Sign Color: Diamond Grade Reflective Aluminum (White, Yellow, Orange, or Lime Green)
Sign Text: YOUR SPEED or Custom Text
Smart Connectivity: Remote Control & Micro-SD Card. Optional: Remote Control & Bluetooth Data Transfer or Remote Control & Cellular Connectivity
Data Storage: Removable Micro-SD Card w/ USB-A Adapter
WinstarCloud & 4G/SIM Smart Connectivity: WinstarCloud platform access and compatible cellular SIM data are included for the first year with the optional 4G/SIM connectivity package. Optional renewal is $149/year for up to 2 devices, including compatible cellular SIM data. Compatible carriers may include Verizon, Xfinity Mobile, T-Mobile, and AT&T, subject to coverage and service compatibility. Additional carrier charges may apply if a separate cellular plan is selected. A WinstarCloud subscription is not required for the Standard or Bluetooth/WiFi options.
Power Options: Battery Operated w/ Solar Panel & A/C Charging
Mount Options: Universal Mount Set Included. Optional Add-on: Battery Power Model Pivot Mounting Bracket, AC Power Model Pivot Mounting Bracket, or Universal Pivot Mounting Bracket
Working Temperatures: -40°F - 160°F
Visible Distance: 1,500 Feet
Waterproof: IP53
Sign Warranty: 2-Year Sign Warranty, 1-Year Battery Warranty
Trailer Warranty: 2-Year Trailer Warranty, Limited Structural Warranty
Polycarbonate Display Cover
• Thick Protective Sheet IP53 Waterproof Sealed Display Area Cover
•
Vandalism, Abrasion, Graffiti, and Shatter Resistant
• UV Protection
Radar
• Type: K Band, Single Direction Doppler Radar, FCC Part 15 Compliant; No License Required
• Sensor Range: Detects Vehicles Up to 1,200 Feet
• Beam Width: 12 Degrees, +/- 2 Degrees
• Operating Frequency: 24.125 GHz, +/- 50 MHz
• Accuracy: +/- 1.0 MPH
• Speed Detection Range:
1 - 133 MPH
Power Options
Battery / Solar Powered
• Solar Panel Output: 60 Watt Standard, 80 Watt Optional
• Power Supply: 12V 40Ah lithium-ion battery. Actual battery runtime varies with display operation, weather, solar exposure, and site conditions.
• Power Consumption: < 2.0 Amps in Active Mode; Idle Mode < 1/2 Watt
• Circuit Breaker: Multi-Circuit, 3x10 Amp Fuses
Trailer Specifications
• Trailer Type: Single-Axle Towable Speed Radar Trailer w/ 36" x 16" Storage Compartment
• Deck Size: 40" W × 48" L
• Load Capacity: Up to 1,060 lbs
• Frame: Heavy-Duty Steel Construction
• Finish: Powder-Coated Steel
• Axle & Suspension: Single Axle with Leaf Springs
• Tires: 4.80–12" Highway-Rated Tires
• Coupler: 1-7/8" Ball Hitch
• Safety Chains: Included
• Lighting: DOT-Approved Tail, Brake & Turn Signals
Mounting & Mast
• Mast: Vertical Steel Mast
• Base Mounting: Bolt-Through Base Plate Mounting
• Visibility: Optimized Height for Roadway Visibility
• Platform: Flat Steel Platform (Low-Profile, Non-Raised)
• Finish: Black, Blue, or White Powder-Coated Finish
Compliance
• Standards: DOT-compliant lighting, reflectors, safety chains, and coupler
BUY AMERICAN ACT COMPLIANT* This product is manufactured in the United States and intended to meet applicable Buy American Act domestic end product requirements. Final compliance may depend on project-specific contract documents, procurement rules, agency requirements, and any applicable exceptions or waivers. FREE US SHIPPING* Complimentary shipping is available within the 48 contiguous United States. Alaska and Hawaii are excluded from this offer. Please contact us for a shipping quote to either state.
*The product images shown may not be an exact representation of the product.
PRODUCT INFORMATION · SPEED RADAR TRAILER
Discover the Winstar CT-400M: a compact trailer platform with a high-visibility radar speed display, off-grid power options, and flexible traffic-data connectivity.
WINSTAR CT-400M
The Winstar CT-400M combines a towable single-axle steel trailer and a radar-feedback sign. Drivers see their approaching speed, while operators can move the equipment between roads, communities, and temporary work areas. Matrix LEDs add configurable symbols and text-based driver alerts.
A 23" × 23" sign and 20" LED display on a towable trailer for changing locations.
Configurable matrix LEDs can show detected speed, symbols, and warning text, depending on the selected programming.
Standard remote control and removable micro-SD storage, with optional Bluetooth data transfer or cellular WinstarCloud connectivity.
Single-axle construction with a storage compartment, steel mast, highway-rated tires, coupler, safety chains, and road lighting.
TECHNICAL SPECIFICATIONS
Specifications reflect advertised configurations. Confirm the final sign, trailer, and accessory details when ordering.
Contact Winstar to request the latest model-specific technical specification sheet for the Winstar CT-400M.
POWER & CONNECTIVITY
Choose an available solar/battery and charging arrangement, then select how you want to retrieve traffic data.
Solar charging helps support portable radar feedback at locations without nearby electrical service.
Operate the sign locally without a recurring cloud subscription.
Add local Bluetooth data transfer or compatible cellular connectivity with WinstarCloud.
DATA ACCESS OPTIONS
Connected services are optional; standard local control and storage do not require WinstarCloud.
Local speed-sign settings and removable data storage.
IncludedConvenient local wireless access to supported traffic data.
Request pricingOptional connected visibility and reporting through WinstarCloud when configured.
Request pricingWinstarCloud is optional. Its initial year of access is listed with the cellular connectivity configuration. Contact Winstar to confirm current renewal pricing, device coverage, and compatible SIM/data-plan terms for your trailer.
OPTIONS & SUPPORT
Confirm display, power, mounting, and reporting features for your specific deployment.
Digits, symbols and configurable messages such as SLOW DOWN or TOO FAST. Confirm available LED colors and programming options.
Choose Diamond Grade White, Yellow, Orange, or Lime Green, with YOUR SPEED or approved custom text.
Vertical steel mast, bolt-through base plate, and available pivot bracket options; towable steel frame.
Assistance with display choices, connected reporting, trailer setup, technical documents, and delivery.
ORDER INFORMATION
Production and shipping are subject to the final configuration and destination.
APPLICATIONS
The Winstar CT-400M is a portable traffic-calming platform for organizations that need to rotate speed-feedback equipment between locations.
Move speed-awareness equipment between residential streets and recurring speeding locations.
Support awareness on approaches to school property, event routes, and campus roadways.
Support targeted driver-feedback deployments and temporary roadway-safety initiatives.
Offer a portable warning display for site approaches, business parks, and temporary roadway operations.
CONNECTED TECHNOLOGY
Choose optional compatible cellular connectivity to access supported speed and traffic information without visiting the trailer each time. Standard remote control and removable micro-SD storage work without the cloud service.
Local Data CollectionRemovable micro-SD card data storage is listed for the standard configuration.
Optional BluetoothTransfer supported data locally without a cellular service plan.
Optional Cellular CloudEnable compatible remote access and reporting through a configured WinstarCloud plan.
COMMON QUESTIONS
Answers about the trailer platform, LED display, radar, solar operation, mobility, and ordering.
ST-400 models are the full-height configuration with multiple listed sign sizes and 20"/26.5" display options. CT-400 models use a compact 23" × 23" sign with a 20" display. Both are mounted on a towable single-axle trailer.
ST-400 and CT-400 are standard LED speed-feedback trailers. ST-400M and CT-400M use matrix LEDs to support digits, symbols, and selectable text messages in addition to speed feedback.
The Winstar CT-400M is listed with a 20" diagonal high-intensity matrix led speed digits and messages. Sign size: 23" × 23".
The integrated K-band Doppler radar is listed with a maximum approaching-vehicle detection range of approximately 1,200 feet and ±1 MPH accuracy, depending on installation and operating conditions.
Yes. The listing specifies 60W solar as standard and an optional 80W panel, along with battery operation and AC charging. Please confirm the battery chemistry, capacity, and expected runtime for the exact trailer before ordering.
No. Standard control and micro-SD data storage operate without a WinstarCloud subscription. Bluetooth and cellular connectivity are available as upgrade options. Confirm applicable cellular and renewal terms for the ordered trailer.
Yes. The listed trailer uses a single axle, highway-rated tires, a 1-7/8" ball coupler, safety chains, and tail/brake/turn lighting. Proper transport, positioning, site approvals, and safe operation remain the operator’s responsibility.
The Shopify descriptions list a 2-year radar-sign warranty, 1-year battery warranty, and 2-year trailer warranty with limited structural terms. Confirm full coverage in the sales documentation.
These radar speed trailers are described as custom-made to order with an estimated 1–3-week production lead time. Shipping and arrival dates should be confirmed when ordering.
No. Complimentary shipping is listed for the 48 contiguous United States only. Contact Winstar for a quote to Alaska or Hawaii. See full shipping terms in the product description.
PROJECT SUPPORT
Tell us your road type, speed limit, number of locations, preferred display size, and how often you expect to relocate the trailer. Winstar can help narrow down the configuration.
Winstar Road Supply helps municipalities, communities, campuses, and businesses select practical speed-feedback equipment and trailer configurations for their roadway conditions.
Move a highly visible driver-feedback display to changing speeding hotspots and temporary projects.
Choose between compact/full-height equipment and standard/matrix LED options appropriate to your road.
Standard micro-SD collection plus optional Bluetooth or connected WinstarCloud solutions.
Assistance with specifications, deployment planning, quotations, and available installation services.
Winstar can help with trailer setup, display selection, financing options, and service questions so you can choose a solution that suits your roadway program.
Share your locations, traffic needs, and configuration preferences. We can help you confirm trailer and radar-sign specifications and prepare a quote.