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Your cart is empty.PPC’s filters deliver unsurpassed mechanical and electrical performance to meet the challenging requirements of today’s digital cable, telephony, and high-speed data systems. PPC's forward path attenuators provide a fixed level of attenuation within the downstream frequencies without affecting upstream frequencies. Typical applications include attenuation of over amplified signals generated by drop amplifiers at the first input. Easy to read numbered labeling comes standard with optional color coding available. Hermetically sealed to prevent moisture migration. Precision four-point female seizure contact. 100% Surface Mount Technology for consistent performance.
Linux Rulz
August 4, 2025
Downstream power level too high. getting automatic reboots and error codes in modem diagnostics page. cable tech came out and put a quality 9db forward path ( downstream power level) attenuator. it brought my downstream power from 8db to 11db ( 8 channels bonded ) to 3 to 5 db. very nice and in the pocket as they say. but being the perfectionist i can be sometimes, i figured i'd buy another one and connect them in series to bring my levels down closer to 0db which is perfect. i knew i was throwing the dice because 9 + 6db is 15db and that's too much, that will drop my power level down too much. anyway it did bring my levels down too much. -1db to -5.1db which will work but i was already getting some correctables so...............i decide to use only the 6db which is what i bought on amazon. i was curious of how much it would bring my numbers down. lo and behold it brought them down from the original 8 to 11db to -0.3db to 1.5db which is as close to perfect ( zero ) as it gets. strange. i didn't expect it to do better than the 9db attenuator the cable tech put on. for some reason it attenuates more than the 9db one. my guess is the 9db is a 3.1 DOCSIS attenuator that is rated up to 1.2GHz frequency and the one i bought here is rated up to 1GHZ . all my frequencies are in the range of 500MHz to 600MHz ( DOCSIS 3 ) so the 1.2GHz one wasn't as effective at my lower frequencies. anyhoo, i'm using this one i bought from amazon and keeping the other one for possible use once i go DOCSIS 3.1 ( or 4.0 ) down the road. very surprised that this one turned out to be perfect. i wanted a 3db one initially but amazon doesn't sell that one afaik. highly recommend and well built.
B
June 20, 2025
Works great without affecting the upstream signal. My cable signal is weird, sometimes it will reduce the signal strength by 6, then other times by almost 9. If you only want to lower an incoming hot signal this is the way.
Customer
June 2, 2025
using comcast internet and cable tv, tech installed an attenuator and said my signal was too hot, but the attenuator they installed had my snr levels down to 33, which is still considered good but also had distorted channels of espn 2, nfl network and nbcsn. using a netgear cm 1000 modem and xr500 router and extreme 2 way bds102h splitter. after research and good reviews on this attenuator I gave it a try and works perfect. Have 2 of these, one connected to the back of my modem and the other to the back of my cable box. Mostly fixed my download power and distorted channels. Also helped my xbox one x wired download speed from 151 Mbps to 290 Mbps and upload from 22.6 Mbps to 23.8 Mbps. Here is a before and after of this attenuator and what is recommended.download power before: +6.5 dBmV to +8.9 dBmVdownoload power after: -0.1dBmV to +2.0 dBmVrecommended Power Level: -5 dBmV to +5 dBmVdownload snr before: 39 dB to 42 dBdownload snr after: 39 dB to 42 dB recommended Signal to Noise Ratio (SNR): 32 dB to 50 dBupstream power before: 39 dBmV to 40 dBmVupstream power after: 40 dBmV to 42 dBmVrecommended Upstream Power: 32 dBmV to 50 dBmVno distorted channels
Andre
December 16, 2024
Like: fixed cable modem uplink problems, low cost, no wall wart/power supply needed. Dislike: don't know why it works so well. ** So: before I got this little helper, I was considering to buy a Return Path Amplifier such as $40 Antronix RRA1-10 (used this before for same kind of problem). Problem was: all power level were still in the "should still work" range, for instance 0db downstream channels, 45-50db up, the SNR over 30dB, yet the internet connection became disconnected on daily basis. I had an 6 year old (4x8) cable modem, with 4 channels uplink, and 8 channels downlink. Replaced it with 4x16 capable, brand new modem, but it didn't help, as T3 timeouts persisted with new modem just as well, and daily modem restarts could be seen from modem logs. Then I installed this FPA and magically: no more T3 or modem restarts, for many days in a row. Now with this FPA installed, been running over 2 weeks in a row with squeaky clean event log. The oddest thing is that nothing dramatic happened on the power levels, as it now stands -2 to -5 dB downlink, 46 to 49 dB uplink depending on what time of the day. SNR on downlink (forward path) is 35dB or better and no uncorrectable errors (FEC) seen on downstream counters. I'm glad I tried this product first. There were even lower cost similar for sale, but I chose this source, based on having a reputation.
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