Acquired Electronics360


Ambit (Ubee) U10C018.80 Cable Modem Teardown

20 September 2010
The following is an overview of a teardown analysis conducted by IHS Technology Teardown Services.

Overview / Main Features

The Ambit (Ubee) U10C018.80 is a basic DOCSIS 2.0 cable modem designed for broadband services and distributed by cable operators. Electronically, the U10C018 is primarily a Broadcom design (with modem and tuner ICs).

Ambit (Ubee) U10C018.80 Cable Modem Main ImageAmbit (Ubee) U10C018.80 Cable Modem Main Image

Target Market

Cable service providers



Ambit (Ubee) U10C018.80 Cable Modem - Main PCB TopAmbit (Ubee) U10C018.80 Cable Modem - Main PCB Top

Pricing and Availability

Pricing - Since most (if not all) cable modem/gateways are provided to consumers by the cable service providers, there is no known market price for these devices.

Availability - North America

Volume Estimations

For the purposes of this teardown analysis, we have assumed a lifetime production volume of 2,768,948 units.

As a reminder, teardown volume production assumptions are primarily used for our cost analysis in terms of amortized NRE and tooling costs, especially for custom components specific to the model being analyzed (mechanical components especially). Unless assumed volumes are different by an order of magnitude, minor changes in volume (say 1 million vs. 2) rarely have a large net effect on our final analysis because of this.

Ambit (Ubee) U10C018.80 Cable Modem Cost AnalysisAmbit (Ubee) U10C018.80 Cable Modem Cost Analysis

Cost Notes

Main Cost Drivers Representing ~75% of total materials cost

Broadcom - BCM3349KFBG - Cable Modem IC - Single Chip Solution, QAMLink, DOCSIS/EuroDOCSIS 2.0

Ault, Inc. - P48121000A060G - External Power Supply - 12V, 1000mA, w/ 6ft Cord

Broadcom - BCM3421KML - Tuner - Single-Chip, Cable TV, DOCSIS/EuroDOCSIS 1.0/1.1/2.0

Macronix - MX25L1605AM2C-15G - Flash - NOR, 16Mb, SPI, 85MHz, 0.15um

Ceramic Multilayer - X5R/X7R (Qty:9)

Samsung Semiconductor - K4S641632K-UC75 - SDRAM - 64Mb, 133MHz, 3.3V

2 Layer - FR4

RF Filter Module Value Line Item

Total BOM Cost $18.35

What Is Not Included in our Cost Analysis

The total materials and manufacturing costs reported in this analysis reflect ONLY the direct materials cost (from component vendors and assorted EMS providers), AND manufacturing with basic test. Not included in this analysis are costs above and beyond the material manufacture of the core device itself - cost of intellectual property, royalties and licensing fees (those not already included into the per component price), software, software loading and test, shipping, logistics marketing and other channel costs including not only EMS provider and the OEM's margin, but that of other resellers. Our cost analysis is meant to focus on those costs incurred in the manufacture of the core device and exceptionally in some circumstances the packaging and literature as well.

Manufacturing Notes

Country of Origin / Volume Assumptions

Based on markings, the unit was likely assembled in China. Furthermore, we have assumed that custom mechanicals (plastics, metals, etc.) were also sourced in China.

Country of origin assumptions relate directly to the associated cost of manufacturing, where calculated by iSuppli. In the cases of 'finished' sub-assemblies (such as Ethernet Jacks), we do not calculate internal manufacturing costs, but rather assess the market price of the finished product in which case country of origin assumptions may or may not have a direct effect on pricing.

Remember also that labor rates are applied directly only to hand inserted components and systems in our bill of materials, and although regional assumptions do, these new rates do not have a direct effect on our modeled calculations of placement costs for automated SMD assembly lines. "Auto inserted components (such as SMT components) placement costs are calculated by an iSuppli algorithm which allocates a cost per component based on the size and pincount of the device. This calculation is affected by country or region of origin as well.

Design for Manufacturing / Device Complexity

The Ambit (Ubee) U10C018.80 has an overall component count of 262 (excluding box contents), of which 214 resides on the Main PCB.

Component counts have a direct bearing on the overall manufacturing cycle times and costs, and also can increase or decrease overall yields and re-work. Our calculations of manufacturing costs factor counts and more qualitative complexities in the design. The cost of manufacturing is also, to some extent, decreased in this case because of assumed labor rate applied for China.

Note that manual labor has a much smaller effect on auto-insertion assembly lines (for the Main PCB, for example), where manufacturing costs are much more capital equipment intensive and driven by these investment costs.

Ambit (Ubee) U10C018.80 Cable Modem - EnclosureAmbit (Ubee) U10C018.80 Cable Modem - Enclosure

Powered by CR4, the Engineering Community

Discussion – 0 comments

By posting a comment you confirm that you have read and accept our Posting Rules and Terms of Use.
Engineering Newsletter Signup
Get the Engineering360
Stay up to date on:
Features the top stories, latest news, charts, insights and more on the end-to-end electronics value chain.
Weekly Newsletter
Get news, research, and analysis
on the Electronics industry in your
inbox every week - for FREE
Sign up for our FREE eNewsletter


Date Event Location
26-28 Feb 2018 Nashville, TN
04-08 Mar 2018 San Antonio, Texas
09-10 Apr 2018 Clearwater Beach, Florida, USA
23-27 Apr 2018 Oklahoma City, Oklahoma
10 May 2018 Pier 94
Find Free Electronics Datasheets