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ZyXEL > 
Item#: N82E16825188005

ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

  • Certified for use on Comcast's network
  • DOCSIS 3.0 compliant
  • Full-featured compact, economical cable modem with Ethernet port
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Learn more about the ZyXEL BRG35503

Model

Brand
ZyXEL
Model
BRG35503

Spec

Type
Cable Modem
Interface
RJ-45 10/100/1000Mbps Ethernet (Auto-MDI/MDIX)
Cable Interface
F-type RF connector, female, 75ohm
Standards
DOCSIS/EuroDOCSIS 1.1/2.0/3.0 Compliant
SNMP V1, V2c, V3
IEEE802.3, 802.3u

Features

Features
Receiver-Demodulation:
-Demodulation: 64QAM, 256QAM
-Data Rate:
Up to 160 Mbps with 4 Downstream channel bonding (DOCSIS)
Up to 220 Mbps with 4 Downstream channel bonding (EuroDOCSIS)
-Frequency (edge to edge):
88 - 1002 MHz (DOCSIS)
08 - 1002 MHz (EuroDOCSIS)
-Channel bandwidth:
6Mhz (DOCSIS, DOCSIS-J)
8Mhz (Euro DOCSIS)
6 / 8 MHz (Dual Mode)
-Signal Level: 17 dBmV

Transmitter-Modulation:
-Modulation: QPSK, 8 QAM, 16 QAM, 32 QAM, 64 QAM, and 128 QAM (SCDMA only)
-Data Rate up to 120 Mbps with 4 Upstream channels bonding
-Frequency (edge to edge):
5 - 42 MHz (DOCSIS)
5 - 65 MHz (EuroDOCSIS)
5 - 65 MHz (DOCSIS-J)
-Output level of CM can be controlled by CMTS though power ranging function, Step: 1 dB
-Output Return Loss: >6dB

5 status LEDs: Power, Downlink, Uplink, Ethernet, Status

Factory default reset button

Supply voltage of external power supply:
Input 100 - 240 VAC 50/60Hz
Output 6VDC, 1.5A

Product metrics: 180mm (W) x 44mm (H) x 130mm (D)

Weight: 220g approximately

Surge Protection:
On RF Input shall sustain at least 3KV
On Ethernet RJ-45 shall sustain at least 6KV

The BRG-35503 cable modem allows high-speed data transmission through coaxial cable, with 4 DS channels bonding the downstream speeds of up to 220 Mbps from network to the user under bridge mode, and 10/100/1000 Mbps ethernet port from the user to network.
Service Provider
Comcast Network

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the ZyXEL BRG35503

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Showing 81 of 81 reviews - Clear Filters

  • Krzysztof L.
  • 1/25/2015 10:20:38 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsupload speed about 0.1

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: none

Cons: After 2 weeks of good working condition, Comcast recommended replace this modem because of very slow upload speed so my VOIP was not working.
Placed back my previous modem and my upload speed came back to about 6mbps.
I am very upset because I am asked to pay for shipping of modem which need to be replaced after only second week of working condition.

Did you find this review helpful? Yes No

  • Duncan M.
  • 1/24/2015 1:05:14 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsmodem

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: Uses the latest DOCSIS 3.0 technology.
Compatible with Comcast.
Reasonably priced.

Cons: none so far

Other Thoughts: Easy set up over the phone with comcast.
I replaced my old DOCSIS 2.0 modem and it stopped those annoying calls telling me to upgrade my equipment.

Did you find this review helpful? Yes No

  • Joseph F.
  • 1/16/2015 2:31:18 PM
  • Tech Level: Low
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsFantastic!

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: Excellent speeds, resolved all internet browsing issues I had with the standard Comcast modem.

Cons: None so far.

Did you find this review helpful? Yes No

  • Timothy W.
  • 1/16/2015 1:15:09 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsvery fast, very secure, you own it

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: You own it. No monthly rental fee. Can achieve all advertised speeds. Low power consumption, nice design, small form factor. Very good price.

Cons: Accessing the internal menus can be very slow via direct Ethernet if there is any sort of issue with your upstream. This should be independent of your internet performance.

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  • Anonymous
  • 1/16/2015 9:00:06 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsDidnt work

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: Was fast the brief times it was working I was getting my max isp speeds.

Cons: Modem didnt really want to set up with sudden link. Tech on the one for activation couldnt get it to work. After I messed with it for a night I got it to connect with suddenlinks headend and was getting good speeds but it would discobect every hour or so and not keep my settings. After a service call I talked with suddenlink more and they said that the issue is with bad mac adresses received from the manufacturer that identify it as the wrong modem. Nothing they could do about it.

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  • Martin U.
  • 1/12/2015 6:36:33 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsDied within a month

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: It worked for a bit.
Cheap (inexpensive)

Cons: Stopped working. Comcast guy came out, and indicated my signal was stronger than it needed to be.
Had to buy a different modem, and the new one (Netgear) is running well.
Cheap (poorly made)

Did you find this review helpful? Yes No

  • Dantes R.
  • 1/5/2015 9:13:00 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsWorks with Time Warner Cable in NY

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: Worked right out of the box. Getting 16MB+ per sec download speeds on Time Warner Cable Internet in Upstate New York!
I called TWC and they said it is not on their list of modems they have tested, which means nothing since it works so I am very happy!

Cons: Worried a bit about the heat mentioned by other reviews so I will be watching for that.

Other Thoughts: Thanks to the tech at TWC for the help in making it a very easy setup.

Did you find this review helpful? Yes No

  • SUBHASH B.
  • 12/31/2014 3:50:20 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSo far worth the investment

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: It is the cheapest supported Docsis 3.0 modem mentioned in comcast website. it has worked reliably till now.
Quick delivery

Cons: Will update as i find

Did you find this review helpful? Yes No

  • Adam P.
  • 12/27/2014 4:39:48 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsBe Careful!

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: Easy to set up.
Ready to Use in minutes.
Works well so far.
With rebate, it pays for itself in 2 months.
Saves $10/mo there after.

Cons: It does run a bit warm..
possibly the small casing is an issue.

Ill be buying a cheap fan from a dollar store or something to help.

**VERY IMPORTANT**

THE UPC FOR THIS PRODUCT IS NOT ACTUALLY ON THE BOX. IT IS ON THE PLASTIC WRAP THAT IS USUALLY THROWN AWAY. YOU WILL NEED THIS INORDER TO REDEEM THE REBATE.

Other Thoughts: Comcast as always is very inept on the phones, and after an hour, my bill was sorted correctly. The activation itself takes about 5 mins with the tech. Read him the mac and s/n done.

1 out of 1 people found this review helpful. Did you? Yes No

  • Kaushik D.
  • 12/24/2014 8:14:04 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsIt works with Comcast Seamlessly

This review is from: ZyXEL BRG35503 DOCSIS 3.0 Residential Cable Modem Compatible with Comcast Network

Pros: Comcast detects this modem automatically and does the required configuration. It's a Docsys 3.0 modem, so internet speed seems to be little faster and smoother than my earlier Docsys 2.0 modem. It's very thin & light weight. Considering the Mail-In-Rebate, the price was killer too - strongly recommended.

Cons: None so far.

Did you find this review helpful? Yes No

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Home > 
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Networking > 
Modems / Gateways > 
ZyXEL > 
Item#: N82E16825188005
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