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Winegard CC-7870 Antenna Coupler, 5.40" x 2.90" x 2.20"

  • Based on 286 reviews
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Features

  • 2-Way Coupler
  • Couples two 75ohm leads from any 2 antennas to 75ohm coaxial download
  • Ac/DC passive input to set 1 side
  • Couples any 2 antennas together
  • Low Loss
  • Best solution to couple antennas
  • Made in USA

Description

Combine any two 75 Ohm HDTV antennas into one down lead with the CC-7870. Features low -3.5 insertion loss. Specialized circuitry optimizes performance. The CC-7870 is AC-DC power passive to the set 1 side. Includes three fc-5910 connectors.


Product Dimensions: 7 x 6.25 x 5.5 inches


Item Weight: 5.6 ounces


Department: Electronics


Manufacturer: Winegard Company


Country of Origin: USA


Item model number: CC-7870


Is Discontinued By Manufacturer: No


Date First Available: January 1, 2009


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Top Amazon Reviews


  • Works well combining 2 identical antennas
The tech guys at Solid signal said my location is hopeless for OTA antenna reception. I’m in a valley East of Atlanta with the highest point in the county between me and the Atlanta TV Towers. I used this combiner on 2 HDB8X Solid Signal 8-bay antennas. Placed about 5 Ft apart with identical length cables—very important. One is pointed West toward Atlanta, the other NW toward other stations. 3 Ft below this coupler is an RCA pre-amplifier. I receive 55 channels, which includes the local channels I was getting on cable. I’m using solid copper core quad coax cable. Without the RCA Preamplifier I get 4 channels. It’s also very important to pass your cables through a grounding block, and also ground your antenna mast. ... show more
Reviewed in the United States 🇺🇸 on November 21, 2020 by RRR

  • Illustrations in the instructions are a joke; screws don't fit, but it works.
First, the good news: this unit works beautifully to combine signals from two antennas, IF you observe a few simple rules. First, attach both antennas to the same mast, so they are separated vertically by at least 4 feet. It helps if your antennas don't overlap too much in their reception patterns. Next, cut a coaxial cable to traverse the distance from the upper antenna to your antenna combiner. Cut a second cable to *exactly the same length* as this cable. Alternatively, you can use pre-manufactured cables, but make sure they are *exactly the same length*. This part is critical. Now use these two cables to connect your two antennas to the combiner. Failure to use feed lines from the two antennas of *exactly the same length* will cause the signal from the same station to arrive at the combiner box twice, separated by a short duration in time between them (about 1 nanosecond per foot of differing length). This can cause both signal cancellation and signal lock problems due to multi-path interference. So get those cables exactly right! You can loosely coil up the excess cable coming from the closer antenna. Now the bad news: the provided screws with this unit are smaller than the holes they're supposed to screw into; there's nothing for them to grab onto, so it's effectively impossible to attach the bracket to the case using the provided hardware. How nobody noticed this is beyond me. Not that you can really tell where/how the bracket is supposed to be attached to the case in the first place, because the illustrations in the provided instructions are so small, so poorly detailed, and so sad that you can't even tell where screws would be from the illustration. Again, such an idiotic deficiency that any child, bird, cat, or snail could have noticed and realized it needed to be corrected. This is far beneath what I'm accustomed to getting from Winegard products. My suggestion to Winegard is to have someone try to actually put one of these together before you send any more of them out, and fix these glaring deficiencies. I worked around the problem by using some #7 x 1/2" self-tapping sheet metal screws instead of the supplied screws. ... show more
Reviewed in the United States 🇺🇸 on October 29, 2020 by Nicklas R. Johnson

  • Works well
I have a fairly large attic. Even so there are limits to the antenna that will fit. The best option was to combine two smaller antennas to boost the signal strength. I used this combiner ahead of an amplifier. Got all the stations reliably. Antenna design is either an art, or trial and error. (I think both.) So your results will be different. Just keep trying until you find the combination that works in all seasons and weather conditions. This splitter/combiner can play a pivotal role. It is odd to me that the amazon review prompt is asking about picture quality. With digital signals you either get the signal or have dropouts (blocks), or no signal at all. Picture quality should be unaffected. ... show more
Reviewed in the United States 🇺🇸 on November 21, 2021 by SJ Anderson

  • Not Worth Buying or Returning
TL;DR: This coupler caused me more trouble than it was worth, and I'm no stranger to the intricacies of OTA TV. Try using a basic coax splitter (reversed as a joiner) before investing in this more expensive product. I have been using an outdoor antenna with a custom built MythTV DVR for the last 7 years, and decided I wanted to invest in my setup so as to grab a few more channels that were in a different direction and fairly far away (35 miles compared to 14 miles for everything else). Here is my setup: -Antenna #1: ChannelMaster outdoor, 2 bay, omnidirectional Channel Master CM-4221HD HDTV UHF Antenna -Antenna #2: Mediasonic 60 mile directional Mediasonic HW-560AN HOMEWORX HDTV Outdoor Antenna - 60 Miles Range -Preamp: Winegard low-noise, outdoor Winegard LNA-200 Boost XT Digital HDTV Preamplifier -Other: There is about 150 feet of RG6 coax in the run, but no splitters in the house to cause other signal issues. With just Antenna #1 and the preamp, I was able to get all but 1.5 of the available stations in the area. (The one station was absolutely impossible to tune due to direction and distance and the other came in intermittently depending on the weather and time of day.) With Antenna #1, the preamp and a new direction, I was able to get the missing stations, and about half of all the others clearly, with the other half having significant signal dropouts. With Antenna #2 by itself (no amplification, no other antenna), I was able to get nearly everything but the long distance station. After having that much success, I assumed that joining the two antennas with this coupler would allow Antenna #2 to fill the signal gaps that Antenna #1 had on the relatively easy to get stations, and I'd have the full spectrum. I was wrong. What I wanted was for most of the signal to be coming from Antenna #1 with just supplemental signal to come from Antenna #2. Instead, the coupler seemed to process and equally mix the signals in the output, resulting in nearly ALL of the stations having problems. I spent several days running the full gamut of connection configurations (preamp only to #1, preamp only to #2, preamp the combined output, preamp really close to the desired antenna), antenna placements (close together, farther apart), joiner placements... It was a real mess, and a lot of time spent on the ladder. I never found a way to get everything to work and was ready to admit defeat. I did a little extra reading over the next few days and ultimately decided to try one of those $5 splitters that can be found at the hardware store, but to use it reversed as a joiner rather than a splitter. I figured it probably wouldn't work, but at least it could be easily returned. I couldn't believe it when, after only minor tweaking, all of my channels came in perfectly. Here is the final configuration I used to get everything to work: -Antenna #1 on a mast, pointing generally at the far away station. -Antenna #2 on the side of the house, pointing between the two major, closer groupings of stations. -Cheap splitter / joiner in the cable box, combining both antennas. -Preamplifier connected to the output of the splitter / joiner, in the cable box, sending the fully combined and amplified signal back to my DVR. This Winegard joiner was cheap enough that it wasn't worth the hassle of returning, so it's now just sitting unused on my shelf. I hope all of this information helps somebody from wasting all the time (and some of the money on this coupler) that I did! ... show more
Reviewed in the United States 🇺🇸 on November 7, 2016 by Big Dave

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