RGTech Monarch 50 Indoor HDTV Antenna
- 50 mile listed range, multidirectional
- UHF, VHF, FM, DVB-T, DAB reception
- UWB technology with **4G filter**
- 15ft coaxial cable, stand and removable foam tapes
- No power supply required
- 75 Ohms, 137 Grams
- 5 year warranty
Last refreshed Jun 20, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A thin, unpowered indoor antenna for picking up free over the air channels without a cable bill. Real range depends heavily on distance to towers and walls, whatever the box claims.
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ASIN: B01MTKUEF7Model: Monarch 50Category: TV Antennas
Overview
RGTech designed this flat Monarch antenna to sit by the TV or stick to a window, pulling in over the air HD broadcasts from any direction. A filter cuts interference from mobile phone signals, and no power supply is needed.
Free broadcast TV with a discreet flat antenna and a long cable for placement is the case for it. Results swing with tower distance and building materials, so the advertised range is an upper limit.
Who it's for
City and suburban viewers within reach of broadcast towers get free HD channels with simple setup. Rural homes deep in hills or far from towers will need an outdoor or amplified option.
Pros and cons
- No power needed
- Flat, discreet design
- Long coaxial cable
- Stand and window tapes included
- Range claim is an upper limit
- Indoor placement limits reception
- No amplifier for weak areas
- Channel count varies by location
Performance notes
Reception depends on distance to broadcast towers, terrain and walls, with windows facing the towers giving the strongest signal. Multidirectional pickup avoids aiming, but also cannot focus on a distant tower. The mobile signal filter reduces interference from nearby mobile signals.
Specifications
| Brand | RGTech |
|---|---|
| Model | Monarch 50 |
| Dimensions & fit | |
| Item weight | 137 Grams |
| Cable length | 15ft coaxial |
| Capacity & performance | |
| Maximum Range | 50 Miles |
| Power & efficiency | |
| Power source | None required |
| Construction & materials | |
| Color | Black |
| Included components | |
| Included | Antenna, 15ft coaxial cable, stand, 3x removable foam tapes |
| Warranty & support | |
| Warranty Description | 5 year |
| Other details | |
| Impedance | 75 Ohms |
| Antenna type | Flat indoor, multidirectional |
| Reception bands | UHF, VHF, FM, DVB-T, DAB |
Frequently asked questions
Can I move the Monarch 50 antenna after sticking it to a window?
Yes. It comes with double coated removable foam tapes, so you can reposition it while testing spots.
Does the Monarch 50 need power?
No. No power supply is required.
Will the Monarch 50 receive every channel 50 miles away?
50 miles is the listed range. Real reception depends on tower distance, terrain and building materials.
What comes with the RGTech Monarch 50?
The antenna, a 15ft coaxial cable, an antenna stand and 3 removable foam tapes.