40-NI20 - TV antenna Metra - Free user manual and instructions
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| Product Type | TV Antenna |
| Brand | Metra |
| Model | 40-NI20 |
| Dimensions (approx.) | 30 x 20 x 5 cm |
| Weight (approx.) | 0.5 kg |
| Power Supply | Passive (no external power required) |
| Frequency Range | VHF (47-230 MHz) and UHF (470-862 MHz) |
| Gain | Approx. 5-8 dBi |
| Impedance | 75 Ohms |
| Connector Type | Coaxial F-type |
| Mounting Type | Indoor or outdoor (bracket included) |
| Polarization | Linear (Horizontal) |
| Operating Temperature | -20°C to +50°C |
| Color | Black / Gray |
| Material | Plastic and metal elements |
| Maintenance | Wipe with a dry, soft cloth. Do not use harsh chemicals. |
| Safety | Ensure stable mounting to prevent falls. Keep away from children. |
| Spare Parts | Contact Metra customer service for replacement brackets or connectors. |
| Compatibility | Works with all standard TV tuners and DVB-T/T2 receivers |
| Warranty | 1 year limited warranty |
Frequently Asked Questions - 40-NI20 Metra
How do I install the Metra 40-NI20 TV antenna?
Mount the antenna in a high location, preferably near a window or outdoors for best reception. Connect the coaxial cable to the F-type connector on the antenna and to your TV. Perform a channel scan on your TV.
Is the Metra 40-NI20 an indoor or outdoor antenna?
It can be used both indoors and outdoors. The included bracket allows for wall or pole mounting.
Does the Metra 40-NI20 require a power source?
No, it is a passive antenna and does not need any external power.
What channels can I receive with this antenna?
It receives both VHF (channels 2-13) and UHF (channels 14-51) signals. Actual channels depend on your location and signal strength.
How long is the included coaxial cable?
The antenna typically comes with a 1.5-meter coaxial cable. If longer is needed, use a high-quality extension cable.
Can I use this antenna with a digital converter box?
Yes, it works with any TV or receiver that has an F-type coaxial input and supports DVB-T or ATSC standards.
Why am I not getting all channels?
Try adjusting the antenna position and direction. Re-scan channels on your TV. Ensure the antenna is not blocked by large metal objects. For weak signals, consider an amplifier.
How do I clean the Metra 40-NI20 antenna?
Wipe the antenna with a dry, soft cloth. If needed, slightly dampen with water. Do not use alcohol or abrasive cleaners.
What is the warranty on this antenna?
Metra offers a limited 1-year warranty covering manufacturing defects. Retain your proof of purchase.
Can I mount the antenna on a metal pole?
Yes, the bracket is designed for mounting on poles up to 1.5 inches in diameter. Use proper grounding for outdoor installations.
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