Recommended accessories for Alzatex's most recent line of radar speed guns, the SG300A. Manuals and general information for each product can be found on this page.
SG300A Radar Gun
Tuning Fork
Tuning fork
CAT5E Cable
Interface cable used to connect the SG300A radar gun to your display.
Serial Cable
Black serial cable in lengths of 6 feet and 25 feet.
Choosing the Right Accessory
Selecting the right accessory ensures your radar gun performs accurately, lasts longer, and stays reliable in every environment. Use this guide to identify exactly what you need based on how you use your radar system.
Power Supplies & Chargers
A stable power source is essential for consistent readings. Choose a replacement power supply if:
- Your radar gun shuts off unexpectedly
- The display flickers or loses brightness
- You’re using older or worn cables
Tip: Always match voltage and connector type to your radar gun model.
Cables & Connectors
Faulty or loose cables are one of the most common causes of radar gun issues. Consider new cables if:
- Readings cut in and out
- The display doesn’t receive data
- Connectors feel loose or damaged
Tip: Look for reinforced connectors if your equipment is used outdoors or transported frequently.
Display Accessories
Enhance visibility and usability with the right display add‑ons. Choose display accessories when:
- You need larger or brighter numbers for long‑distance viewing
- You want improved visibility in sunlight
- Your current display is dim or inconsistent
Tip: LED displays offer the best clarity for sports fields and roadside use.
Mounts & Hardware
Proper mounting ensures accurate readings and safe operation. Choose mounting accessories if:
- You need stable placement for coaching or training
- You’re setting up a radar gun for traffic monitoring
- You want hands‑free operation
Tip: Adjustable mounts help maintain correct angle and alignment.
Protective Cases & Weather Shields
Protective accessories extend the life of your radar gun. Choose these if:
- You use your radar gun outdoors
- You travel with your equipment
- You want to prevent dust, moisture, or impact damage
Tip: Hard‑shell cases offer the best protection for frequent transport.
Replacement Parts
Protective accessories extend the life of your radar gun. Choose these if:
- You use your radar gun outdoors
- You travel with your equipment
- You want to prevent dust, moisture, or impact damage
Tip: Hard‑shell cases offer the best protection for frequent transport.
Keep your radar gun performing like new with essential replacement components. Choose replacement parts when:
- Your radar gun shows inconsistent readings
- Buttons or connectors stop responding
- You notice physical wear or damage
Tip: Replacing small components early prevents larger, more expensive repairs later.
Not Sure What You Need?
If you’re troubleshooting an issue or upgrading your setup, choosing the right accessory can make all the difference. Reach out to our support team for personalized recommendations based on your radar gun model and how you use it.
Signs your Connectors Need Replacing
Faulty connectors are one of the most common causes of radar gun and display issues. Because connectors take the most physical wear such as plugging, unplugging, bending, and exposure to weather, they often fail long before the radar gun itself. Here are the clearest signs it’s time for a replacement.
1. Intermittent or Flickering Display
If your display cuts in and out when the cable moves, the connector is likely loose or damaged. This usually indicates worn internal pins or a failing connection point.
2. Speed Readings Drop or Freeze
A connector that isn’t transmitting data consistently can cause your radar gun to show no reading, freeze mid‑use, or produce erratic numbers.
3. Visible Wear or Damage
Cracked plastic housings, bent pins, frayed cable ends, or connectors that no longer “click” into place are all strong indicators of failure.
4. Equipment Only Works at Certain Angles
If your radar gun or display only works when the cable is positioned a certain way, the connector is likely loose internally, which is a classic sign of a failing connection.
5. Frequent Power Loss
Sudden shutdowns or inconsistent power delivery often come from connectors that no longer maintain a stable electrical connection.
6. Connectors Feel Loose or Wobbly
A connector should fit snugly. If it wiggles, slides out easily, or doesn’t seat firmly, it’s time to replace it before it causes further damage.
7. Corrosion or Moisture Exposure
Outdoor use can lead to moisture buildup or corrosion on metal contacts. Even minor corrosion can disrupt signal flow and cause unreliable readings.
When to Replace vs. Repair
If the connector shows physical damage, corrosion, or internal pin wear, replacement is the safest option. Repairs are only reliable when the issue is limited to the cable, not the connector head itself.
Need Help Choosing the Right Replacement?
If you’re unsure which connector or cable fits your radar gun model, our support team can guide you to the correct accessory and help prevent future issues.