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The Channel Master ULTRAtenna CM-4221HD is a high-performance outdoor TV antenna designed for multi-directional reception, offering a 60+ mile range. It supports uncompressed 1080i HDTV broadcasts, ensuring superior video and audio quality. Its compact design allows for easy installation in various locations, making it a versatile choice for any home.
D**S
60-70 Miles with a Pre-Amp
This was easy to install and get about 46 channels not at my rural cabin that is 60-70 miles by air to the nearest TV station. You will need a pre-amp at that distance. I used the Televes and was happy with the performance.
T**R
Great antenna
We love that this came already assembled. Good signal strength, very clear local channels from 60 + miles away. We took ot out of the box, hooked it up and set it on the floor in front of the window, channels came in right away.
M**F
Amazing difference
This is the third Antenna I've bought in the last four years. The first two were the high tech looking ones with the amplifiers. One was omnidirectional, the last rotated. I know these Channel Masters look like old tech, but don't waste your money on any others. If a Cow farted out here I would lose signal. One of my TV's shows signal strength kinda like a cell phone. The other antennas would get 4 of 6 bars at best. This Channel Master picked up 55 Channels and every one a full 6 bars with no amp. I put in my address in their website and it shows you the direction of the TV towers in degrees. I used my cell phone compass app and ball parked the aim. Mine is only about 20'/25' high and still works great. I will say it wasn't packaged very well. The box was beat up. Thankfully none of the plastic connections were broken. The Aluminum parts were easy to straighten.
B**.
Great range and picture quality
This antenna has fantastic range. Perfect for the attic. I live 40 miles from DC and Baltimore and was able to get all the local stations when pairing this with the Televes preamp. Highly recommend.
J**B
Channel Master quad bow-tie UHF antenna
The Channel Master Antenna replaces an 8 ft VHF and a 3 ft UHF yagi antenna installed on a mast 20 foot above the ground. After repairing the plastic insulators on my VHF twice and noticing some channel losses, decided to research if I even needed an VHF antenna. Turns out that most of the stations have moved into the UHF band and that those that were left were in the upper VHF range. The Channel Master covers the entire range of UHF and VHF channels in my area 55 miles West of Los Angeles. I now receive over 170 channels including their sub frequencies. I regained ch4 and ch13, both now come in strong. This is a serious well constructed piece of hardware. Before purchasing, it would be best to visit antennaweb.org to find your location and channels available.
A**R
Works great; mediocer quality
We live about 55 miles S of Chicago. I have a 40 ft tower with hinged base.First I tried one of those "150 mile" plastic antennas with built in rotator and remote control and flaps that fold out to the sides. You know what I'm talking about, there are a dozen different brand names, ViewTV, McDuory, pingbingding, but they are all the same. GARBAGE! Both reception and quality. Oh, and by the way, the two buttons on the remote don't move the thing CW and CCW like you are assuming. Either button rotates the antenna either direction at random. This was verified when I contacted support thinking that could not be intended. Doesn't say anything in the descriptions or manuals. If you don't have xray vision to see through your roof while hitting the buttons, you don't know which way it's going!I bought one of these instead. Worked okay, but I guessed wrong when I installed with the tower down and did not have it pointed correctly. I also didn't have the stones to work off a 40 ft tower to spin it. Although I could have dropped the tower and tried again, I decided to by an RCA VH226F rotator and Channel Master signal amplifier. Word of advice, buy the amp from CM directly, much cheaper.Installing the amp necessitated taking the coax off the antenna to add in the amplifier. This leads to the one con; the quality of the connector on the antenna where you screw on your coax cable. It is a male connector sticking out of a little square plastic box on the antenna. It has a nut at the base, where the connector goes into the box, which you would assume is fixed to the connector. WRONG. When I went to remove the coax I held the nut with one wrench while loosening the coax connector. This seemed to work fine, but little did I know the male antenna connector was actually spinning out of both the nut and the box; the coax was still tight. It is an unsecured coax union with the base nut simply screwed on from the outside! While I'm thinking I am unscrewing the coax from the male fitting coming out of the box, I was actually unscrewing the connector out of the box and nut at the same time! Sun was shining, you couldn't tell the threads were rotating. Not a crisis until you find the copper center wire in the little box broke off from the box connector. I returned it, but felt the antenna might still be a good one.So I bought another one with the knowledge of how to be careful with it. Put it up today. Used the rotator to get it where it needed to be. Picked up a bunch more channels than that plastic antenna gave me with most of them at over 90 on the TV's signal meter and many at 100. This through a big maple tree no less. The plastic one did not get all the basic Chicago channels and the ones it did had signals ranging from 70 to 90. So this antenna gets 4 stars from me with the warning about the connector.I also agree with another review somewhere. Any antenna may work good in a certain application. I used to have one of those big Winegard fishbones in an attic at another house that was fine. So although the signal from this antenna and booster is GREAT, I can't tell you another brand, except for the plastic garbage, might not work just as well.
D**L
Excellent all around
I installed this fixed to my home pointing toward the only major transmitter about 60 miles away. I don't get every channel but I get most of them. It has been working well for 3 years
M**K
expensive but give me most channels ever
expensive but give me most channels everi use this 'outdoor' antenna in my 'indoor' setupi am on ground floor, in downtown toronto, big window facing southworks more reliably than previous setup [2x4-bay antennas connected together w/ combiner] and i get channels from pretty far away - i do use a $10 'amplifier' connected to cable just before tvi have a filter too but when removed from setup i get more channelsone note tho' is that their tech support sucksjust try various setup on your own - seems tech support is just guessingi am in downtown toronto [king/dufferin], ground floor apt w/ big south windownow i get channels from toronto, hamilton, batavia ny, baffalo nystill better than paying those telcos - and i get pic quality just like telcos get BUT do not provide
J**.
Excellent range, well worth the money
This was my first time buying an outdoor antenna, and while there were a lot of cheaper options available, I went with a brand with a good reputation, and I went with an 8-bay because if I was going to the trouble of mounting an antenna on the roof, I wanted that antenna to have a good range.Boy, did I ever get an antenna with good range! In theory, this antenna has an 80 mile range, and those theoretical numbers are usually under ideal, laboratory-like conditions. But with an antenna that's mounted about 30-40 feet high with several condos and office buildings in the area, I was still able to pick up a broadcaster that TVFool says is 90.1 miles away, with an NM of -23.3 dB, signal power of -114.2 dBm, and the signal path is tropospheric scatter. Basically, I shouldn't be getting this signal at all, but according to my TV, I'm getting a "Good" signal. I'm also getting a lot of strong signals from other US broadcasters in Buffalo (I'm in north Toronto).This was not a cheap antenna, certainly more expensive than other options out there (and I seriously considered buying the cheaper antennas). But considering what my cable TV bill was before, I made all my OTA-related purchases with an eye towards how long it would take for me to break even after I save on cable TV costs, and the break even time for this antenna was very short. Considering that I'm getting 40 channels and subchannels without tweaking the direction of my antenna to hit that sweet spot, this antenna was well worth the cost. Channel Master is a trusted brand, and I can see why!
R**.
It didn't improve reception.
I had high hopes for this unit. There is one channel in my area that wasn't coming in well with the antenna I was using and I'd hoped this unit would bring that one in. I spent a few hours taking the existing antenna down and installing this unit and doing position tests but no matter what I did the reception wasn't any better than what I was hoping to replace. I returned the unitl.
S**Y
OK, J'ai pris une chance, mais je suis ...
OK, J'ai pris une chance, mais je suis satisfait. A 67 kilomètres de Montréal, je suis à la limite de la capacité technique de cette antenne (40 miles). Ce qui fait qu'il arrive parfois que des canaux ne sont plus captés en fonction de la température et/ou que le son coupe momentanément. Hormis cette réserve, le signal est clair, l'image impeccable et je capte quand même 14 chaînes, notamment CBFT, CBMT, WCAX, CFCF, CKMI et CIVM. Pas mal ! ;)
A**R
My new Channel Master CM-4220HD UHF TV Antenna works great
Antenna was easy to set up in my apartment and I get all the channels I want. Takes up little space, well built and cuts out the expense of cable TV. Channel Master is best TV antenna out there. I have used them when I lived in a rural setting for many years .
Trustpilot
3 weeks ago
2 months ago