📺 TV Antenna Signal & Gain Calculator
Find the right TV antenna based on distance, walls, and location type.
📡 Signal Strength Visualization
How to Use This TV Antenna Signal & Gain Calculator
This practical TV antenna calculator helps you choose the right antenna for your home based on real-world conditions such as distance to TV broadcast towers, walls or obstacles, and whether you live in an urban, suburban, or rural area.
You don’t need any technical knowledge. Just follow the steps below to get an instant antenna recommendation.
Step 1: Enter Distance to TV Towers
Enter the approximate distance (in miles) from your home to the nearest TV broadcast towers. If you’re not sure, you can estimate based on your city or use online TV signal maps. The farther you are from the towers, the higher antenna gain you will need.
Step 2: Select Your Location Type
Choose whether you live in an urban, suburban, or rural area. Urban areas usually have more signal interference from buildings, while rural areas often require higher-gain outdoor antennas due to long distances.
Step 3: Choose Number of Walls or Obstacles
Select how many walls or obstacles the TV signal must pass through. Concrete, brick, or metal walls can significantly reduce signal strength, especially for indoor antennas.
Step 4: Select Installation Type
Choose Indoor if your antenna will be placed inside your home, or Outdoor if it will be mounted on a roof or pole. Outdoor antennas usually receive stronger and more stable signals.
Step 5: Click “Check My Signal”
After clicking the button, the calculator will show:
- Estimated TV signal strength
- Recommended antenna gain (dBi)
- Best antenna type for your situation
- A visual signal strength bar
How to Read the Results
Strong Signal: An indoor or non-amplified antenna should work
well.
Medium Signal: An amplified indoor antenna or small outdoor
antenna is recommended.
Weak Signal: A high-gain outdoor or directional antenna is
strongly recommended.
Use this information to confidently choose the best TV antenna for your home and avoid wasting money on the wrong product.
Recommended TV Antennas for Your Signal
Indoor vs Outdoor TV Antenna Comparison
| Feature | Indoor Antenna | Outdoor Antenna |
|---|---|---|
| Signal Range | Up to 30 miles | 30–100+ miles |
| Best For | Apartments, cities | Rural & weak signal areas |
| Installation | Very easy | Moderate |
| Signal Stability | Medium | High |
| Recommended Gain | 0–15 dBi | 25–40+ dBi |
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