Summary
The global CT&M Equipment and Services market will reach xxx Million USD in 2021 with CAGR xx% 2021-2026. The objective of report is to define, segment, and project the market on the basis of product type, application, and region, and to describe the content about the factors influencing market dynamics, policy, economic, technology and market entry etc.
Based on products type, the report describes major products type share of regional market. Products mentioned as follows:
Enterprise
Field Network
Lab And Manufacturing
Network Assurance
Leading vendors in the market are included based on profile, business performance etc. Vendors mentioned as follows:
Agilent Technologies
Anritsu
Calnex Solutions
Danaher Corporation
Exfo
Ixia
Jds Uniphase Corporation
National Instruments Corporation
Octoscope
Rohde & Schwarz
Spirent Communications
Yokogawa
Based on Application, the report describes major application share of regional market. Application mentioned as follows:
Network equipment manufacturers (NEMs)
Mobile device manufacturers
Telecommunication service provider
Enterprises
Based on region, the report describes major regions market by products and application. Regions mentioned as follows:
Asia-Pacific
North America
Europe
South America
Middle East & Africa
Table of Contents
1 Market Overview
1.1 Objectives of Research
1.1.1 Definition
Figure CT&M Equipment and Services Picture
1.1.2 Specifications
Table Product Specifications of CT&M Equipment and Services
1.2 Market Segment
1.2.1 by Type
Table Products Segment of CT&M Equipment and Services
Table Global CT&M Equipment and Services Market by Type, 2016-2026 (USD Million)
1.2.1.1 Enterprise
Table Enterprise Overview
1.2.1.2 Field Network
Table Field Network Overview
1.2.1.3 Lab And Manufacturing
Table Lab And Manufacturing Overview
1.2.1.4 Network Assurance
Table Network Assurance Overview
1.2.2 by Application
Table Application Segment of CT&M Equipment and Services
Table Global CT&M Equipment and Services Market by Application, 2016-2026 (USD Million)
1.2.2.1 Network equipment manufacturers (NEMs)
Table Network equipment manufacturers (NEMs) Overview
1.2.2.2 Mobile device manufacturers
Table Mobile device manufacturers Overview
1.2.2.3 Telecommunication service provider
Table Telecommunication service provider Overview
1.2.2.4 Enterprises
Table Enterprises Overview
1.2.3 by Regions
Table Global CT&M Equipment and Services Market by Region, 2016-2026 (USD Million)
2 Industry Chain
2.1 Industry Chain Structure
Figure Industry Chain Structure of CT&M Equipment and Services
2.2 Upstream
Table Cost of CT&M Equipment and Services
Figure Manufacturing Process of CT&M Equipment and Services
2.3 Market
2.3.1 SWOT
Figure SWOT of CT&M Equipment and Services
2.3.2 Dynamics
Table Market Dynamics
3 Environmental Analysis
3.1 Policy
Table Policy of CT&M Equipment and Services
3.2 Economic
Table GDP of Major Countries
3.3 Technology
Table Technology of CT&M Equipment and Services
3.4 Market Entry
Table Market Entry of CT&M Equipment and Services
4 Market Segmentation by Type
4.1 Market Size
4.1.1 Enterprise Market, 2016-2020
Figure Enterprise Market Size and Growth, 2016-2020 (USD Million)
Figure Enterprise Market Size and Growth, 2016-2020 (in Volume)
Table Enterprise CAGR by Revenue and Volume, 2016-2020
4.1.2 Field Network Market, 2016-2020
Figure Field Network Market Size and Growth, 2016-2020 (USD Million)
Figure Field Network Market Size and Growth, 2016-2020 (in Volume)
Table Field Network CAGR by Revenue and Volume, 2016-2020
4.1.3 Lab And Manufacturing Market, 2016-2020
Figure Lab And Manufacturing Market Size and Growth, 2016-2020 (USD Million)
Figure Lab And Manufacturing Market Size and Growth, 2016-2020 (in Volume)
Table Lab And Manufacturing CAGR by Revenue and Volume, 2016-2020
4.1.4 Network Assurance Market, 2016-2020
Figure Network Assurance Market Size and Growth, 2016-2020 (USD Million)
Figure Network Assurance Market Size and Growth, 2016-2020 (in Volume)
Table Network Assurance CAGR by Revenue and Volume, 2016-2020
4.2 Market Forecast
4.2.1 Enterprise Market Forecast, 2021-2026
Figure Enterprise Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Enterprise Market Estimates and Forecasts, 2021-2026 (in Volume)
Table Enterprise CAGR by Revenue and Volume, 2016-2026
4.2.2 Field Network Market Forecast, 2021-2026
Figure Field Network Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Field Network Market Estimates and Forecasts, 2021-2026 (in Volume)
Table Field Network CAGR by Revenue and Volume, 2016-2026
4.2.3 Lab And Manufacturing Market Forecast, 2021-2026
Figure Lab And Manufacturing Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Lab And Manufacturing Market Estimates and Forecasts, 2021-2026 (in Volume)
Table Lab And Manufacturing CAGR by Revenue and Volume, 2016-2026
4.2.4 Network Assurance Market Forecast, 2021-2026
Figure Network Assurance Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Network Assurance Market Estimates and Forecasts, 2021-2026 (in Volume)
Table Network Assurance CAGR by Revenue and Volume, 2016-2026
5 Market Segmentation by Application
5.1 Market Size
5.1.1 Network equipment manufacturers (NEMs) Market, 2016-2020
Figure Network equipment manufacturers (NEMs) Market Size and Growth, 2016-2020 (USD Million)
Figure Market Size and Growth, 2016-2020 (in Volume)
Table Network equipment manufacturers (NEMs) CAGR by Revenue and Volume, 2016-2020
5.1.2 Mobile device manufacturers Market, 2016-2020
Figure Mobile device manufacturers Market Size and Growth, 2016-2020 (USD Million)
Figure Market Size and Growth, 2016-2020 (in Volume)
Table Mobile device manufacturers CAGR by Revenue and Volume, 2016-2020
5.1.3 Telecommunication service provider Market, 2016-2020
Figure Telecommunication service provider Market Size and Growth, 2016-2020 (USD Million)
Figure Market Size and Growth, 2016-2020 (in Volume)
Table Telecommunication service provider CAGR by Revenue and Volume, 2016-2020
5.1.4 Enterprises Market, 2016-2020
Figure Enterprises Market Size and Growth, 2016-2020 (USD Million)
Figure Market Size and Growth, 2016-2020 (in Volume)
Table Enterprises CAGR by Revenue and Volume, 2016-2020
5.2 Market Forecast
5.2.1 Network equipment manufacturers (NEMs) Market Forecast, 2021-2026
Figure Network equipment manufacturers (NEMs) Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Network equipment manufacturers (NEMs) Market Estimates and Forecasts, 2021-2026 (in Volume)
Table Network equipment manufacturers (NEMs) CAGR by Revenue and Volume, 2021-2026
5.2.2 Mobile device manufacturers Market Forecast, 2021-2026
Figure Mobile device manufacturers Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Mobile device manufacturers Market Estimates and Forecasts, 2021-2026 (in Volume)
Table Mobile device manufacturers CAGR by Revenue and Volume, 2021-2026
5.2.3 Telecommunication service provider Market Forecast, 2021-2026
Figure Telecommunication service provider Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Telecommunication service provider Market Estimates and Forecasts, 2021-2026 (in Volume)
Table Telecommunication service provider CAGR by Revenue and Volume, 2021-2026
5.2.4 Enterprises Market Forecast, 2021-2026
Figure Enterprises Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Enterprises Market Estimates and Forecasts, 2021-2026 (in Volume)
Table Enterprises CAGR by Revenue and Volume, 2021-2026
6 Market Segmentation by Region
6.1 Market Size
6.1.1 Asia-Pacific
6.1.1.1 Asia-Pacific Market, 2016-2020
Figure Asia-Pacific Market Size and Growth, 2016-2020 (USD Million)
Figure Asia-Pacific Market Size and Growth, 2016-2020 (in Volume)
Table Asia-Pacific CAGR by Revenue and Volume, 2016-2020
6.1.1.2 Asia-Pacific Market by Type
Figure Asia-Pacific Market Size by Type
Figure Asia-Pacific Market Share by Type
6.1.1.3 Asia-Pacific Market by Application
Figure Asia-Pacific Market Size by Application
Figure Asia-Pacific Market Share by Application
6.1.2 North America
6.1.2.1 North America Market, 2016-2020
Figure North America Market Size and Growth, 2016-2020 (USD Million)
Figure North America Market Size and Growth, 2016-2020 (in Volume)
Table North America CAGR by Revenue and Volume, 2016-2020
6.1.2.2 North America Market by Type
Figure North America Market Size by Type
Figure North America Market Share by Type
6.1.2.3 North America Market by Application
Figure North America Market Size by Application
Figure North America Market Share by Application
6.1.3 Europe
6.1.3.1 Europe Market, 2016-2020
Figure Europe Market Size and Growth, 2016-2020 (USD Million)
Figure Europe Market Size and Growth, 2016-2020 (in Volume)
Table Europe CAGR by Revenue and Volume, 2016-2020
6.1.3.2 Europe Market by Type
Figure Europe Market Size by Type
Figure Europe Market Share by Type
6.1.3.3 Europe Market by Application
Figure Europe Market Size by Application
Figure Europe Market Share by Application
6.1.4 South America
6.1.4.1 South America Market, 2016-2020
Figure South America Market Size and Growth, 2016-2020 (USD Million)
Figure South America Market Size and Growth, 2016-2020 (in Volume)
Table South America CAGR by Revenue and Volume, 2016-2020
6.1.4.2 South America Market by Type
Figure South America Market Size by Type
Figure South America Market Share by Type
6.1.4.3 South America Market by Application
Figure South America Market Size by Application
Figure South America Market Share by Application
6.1.5 Middle East & Africa
6.1.5.1 Middle East & Africa Market, 2016-2020
Figure Middle East & Africa Market Size and Growth, 2016-2020 (USD Million)
Figure Middle East & Africa Market Size and Growth, 2016-2020 (in Volume)
Table Middle East & Africa CAGR by Revenue and Volume, 2016-2020
6.1.5.2 Middle East & Africa Market by Type
Figure Middle East & Africa Market Size by Type
Figure Middle East & Africa Market Share by Type
6.1.5.3 Middle East & Africa Market by Application
Figure Middle East & Africa Market Size by Application
Figure Middle East & Africa Market Share by Application
6.2 Market Forecast
6.2.1 Asia-Pacific Market Forecast, 2021-2026
Figure Asia-Pacific Market Estimates and Forecasts, 2021-2026 (USD Million)
Table Asia-Pacific CAGR by Revenue and Volume, 2021-2026
6.2.2 North America Market Forecast, 2021-2026
Figure North America Market Estimates and Forecasts, 2021-2026 (USD Million)
Table North America CAGR by Revenue and Volume, 2021-2026
6.2.3 Europe Market Forecast, 2021-2026
Figure Europe Market Estimates and Forecasts, 2021-2026 (USD Million)
Table Europe CAGR by Revenue and Volume, 2021-2026
6.2.4 South America Market Forecast, 2021-2026
Figure South America Market Estimates and Forecasts, 2021-2026 (USD Million)
Table South America CAGR by Revenue and Volume, 2021-2026
6.2.5 Middle East & Africa Market Forecast, 2021-2026
Figure Middle East & Africa Market Estimates and Forecasts, 2021-2026 (USD Million)
Table Middle East & Africa CAGR by Revenue and Volume, 2021-2026
7 Market Competitive
7.1 Global Market by Vendors
Table Global CT&M Equipment and Services Market by Vendors, 2016-2020 (in Volume)
Table Global CT&M Equipment and Services Market Share by Vendors, 2016-2020 (USD Million)
Table Global CT&M Equipment and Services Market Share by Vendors, 2016-2020 (in Volume)
7.2 Market Concentration
Figure CT&M Equipment and Services Market Concentration by Region
7.3 Price & Factors
Table Price Factors List
7.4 Marketing Channel
Figure Marketing Channels Overview
8 Major Vendors
8.1 Agilent Technologies
Table Agilent Technologies Profile List
Table Microecological Modulator Operating Data of Agilent Technologies (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.2 Anritsu
Table Anritsu Profile List
Table Microecological Modulator Operating Data of Anritsu (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.3 Calnex Solutions
Table Calnex Solutions Profile List
Table Microecological Modulator Operating Data of Calnex Solutions (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.4 Danaher Corporation
Table Danaher Corporation Profile List
Table Microecological Modulator Operating Data of Danaher Corporation (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.5 Exfo
Table Exfo Profile List
Table Microecological Modulator Operating Data of Exfo (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.6 Ixia
Table Ixia Profile List
Table Microecological Modulator Operating Data of Ixia (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.7 Jds Uniphase Corporation
Table Jds Uniphase Corporation Profile List
Table Microecological Modulator Operating Data of Jds Uniphase Corporation (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.8 National Instruments Corporation
Table National Instruments Corporation Profile List
Table Microecological Modulator Operating Data of National Instruments Corporation (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.9 Octoscope
Table Octoscope Profile List
Table Microecological Modulator Operating Data of Octoscope (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.10 Rohde & Schwarz
Table Rohde & Schwarz Profile List
Table Microecological Modulator Operating Data of Rohde & Schwarz (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.11 Spirent Communications
Table Spirent Communications Profile List
Table Microecological Modulator Operating Data of Spirent Communications (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
8.12 Yokogawa
Table Yokogawa Profile List
Table Microecological Modulator Operating Data of Yokogawa (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
9 Conclusion
List of Table
Table Product Specifications of CT&M Equipment and Services
Table Products Segment of CT&M Equipment and Services
Table Global CT&M Equipment and Services Market by Type, 2016-2026 (USD Million)
Table Enterprise Overview
Table Field Network Overview
Table Lab And Manufacturing Overview
Table Network Assurance Overview
Table Application Segment of CT&M Equipment and Services
Table Global CT&M Equipment and Services Market by Application, 2016-2026 (USD Million)
Table Network equipment manufacturers (NEMs) Overview
Table Mobile device manufacturers Overview
Table Telecommunication service provider Overview
Table Enterprises Overview
Table Global CT&M Equipment and Services Market by Region, 2016-2026 (USD Million)
Table Cost of CT&M Equipment and Services
Table Market Dynamics
Table Policy of CT&M Equipment and Services
Table GDP of Major Countries
Table Technology of CT&M Equipment and Services
Table Market Entry of CT&M Equipment and Services
Table Enterprise CAGR by Revenue and Volume, 2016-2020
Table Field Network CAGR by Revenue and Volume, 2016-2020
Table Lab And Manufacturing CAGR by Revenue and Volume, 2016-2020
Table Network Assurance CAGR by Revenue and Volume, 2016-2020
Table Enterprise CAGR by Revenue and Volume, 2016-2026
Table Field Network CAGR by Revenue and Volume, 2016-2026
Table Lab And Manufacturing CAGR by Revenue and Volume, 2016-2026
Table Network Assurance CAGR by Revenue and Volume, 2016-2026
Table Network equipment manufacturers (NEMs) CAGR by Revenue and Volume, 2016-2020
Table Mobile device manufacturers CAGR by Revenue and Volume, 2016-2020
Table Telecommunication service provider CAGR by Revenue and Volume, 2016-2020
Table Enterprises CAGR by Revenue and Volume, 2016-2020
Table Network equipment manufacturers (NEMs) CAGR by Revenue and Volume, 2021-2026
Table Mobile device manufacturers CAGR by Revenue and Volume, 2021-2026
Table Telecommunication service provider CAGR by Revenue and Volume, 2021-2026
Table Enterprises CAGR by Revenue and Volume, 2021-2026
Table Asia-Pacific CAGR by Revenue and Volume, 2016-2020
Table North America CAGR by Revenue and Volume, 2016-2020
Table Europe CAGR by Revenue and Volume, 2016-2020
Table South America CAGR by Revenue and Volume, 2016-2020
Table Middle East & Africa CAGR by Revenue and Volume, 2016-2020
Table Asia-Pacific CAGR by Revenue and Volume, 2021-2026
Table North America CAGR by Revenue and Volume, 2021-2026
Table Europe CAGR by Revenue and Volume, 2021-2026
Table South America CAGR by Revenue and Volume, 2021-2026
Table Middle East & Africa CAGR by Revenue and Volume, 2021-2026
Table Global CT&M Equipment and Services Market by Vendors, 2016-2020 (in Volume)
Table Global CT&M Equipment and Services Market Share by Vendors, 2016-2020 (USD Million)
Table Global CT&M Equipment and Services Market Share by Vendors, 2016-2020 (in Volume)
Table Price Factors List
Table Agilent Technologies Profile List
Table Microecological Modulator Operating Data of Agilent Technologies (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Anritsu Profile List
Table Microecological Modulator Operating Data of Anritsu (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Calnex Solutions Profile List
Table Microecological Modulator Operating Data of Calnex Solutions (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Danaher Corporation Profile List
Table Microecological Modulator Operating Data of Danaher Corporation (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Exfo Profile List
Table Microecological Modulator Operating Data of Exfo (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Ixia Profile List
Table Microecological Modulator Operating Data of Ixia (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Jds Uniphase Corporation Profile List
Table Microecological Modulator Operating Data of Jds Uniphase Corporation (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table National Instruments Corporation Profile List
Table Microecological Modulator Operating Data of National Instruments Corporation (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Octoscope Profile List
Table Microecological Modulator Operating Data of Octoscope (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Rohde & Schwarz Profile List
Table Microecological Modulator Operating Data of Rohde & Schwarz (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Spirent Communications Profile List
Table Microecological Modulator Operating Data of Spirent Communications (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
Table Yokogawa Profile List
Table Microecological Modulator Operating Data of Yokogawa (Sales Revenue, Sales Volume, Price, Cost, Gross Margin)
List of Figure
Figure CT&M Equipment and Services Picture
Figure Industry Chain Structure of CT&M Equipment and Services
Figure Manufacturing Process of CT&M Equipment and Services
Figure SWOT of CT&M Equipment and Services
Figure Enterprise Market Size and Growth, 2016-2020 (USD Million)
Figure Enterprise Market Size and Growth, 2016-2020 (in Volume)
Figure Field Network Market Size and Growth, 2016-2020 (USD Million)
Figure Field Network Market Size and Growth, 2016-2020 (in Volume)
Figure Lab And Manufacturing Market Size and Growth, 2016-2020 (USD Million)
Figure Lab And Manufacturing Market Size and Growth, 2016-2020 (in Volume)
Figure Network Assurance Market Size and Growth, 2016-2020 (USD Million)
Figure Network Assurance Market Size and Growth, 2016-2020 (in Volume)
Figure Enterprise Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Enterprise Market Estimates and Forecasts, 2021-2026 (in Volume)
Figure Field Network Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Field Network Market Estimates and Forecasts, 2021-2026 (in Volume)
Figure Lab And Manufacturing Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Lab And Manufacturing Market Estimates and Forecasts, 2021-2026 (in Volume)
Figure Network Assurance Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Network Assurance Market Estimates and Forecasts, 2021-2026 (in Volume)
Figure Network equipment manufacturers (NEMs) Market Size and Growth, 2016-2020 (USD Million)
Figure Market Size and Growth, 2016-2020 (in Volume)
Figure Mobile device manufacturers Market Size and Growth, 2016-2020 (USD Million)
Figure Market Size and Growth, 2016-2020 (in Volume)
Figure Telecommunication service provider Market Size and Growth, 2016-2020 (USD Million)
Figure Market Size and Growth, 2016-2020 (in Volume)
Figure Enterprises Market Size and Growth, 2016-2020 (USD Million)
Figure Market Size and Growth, 2016-2020 (in Volume)
Figure Network equipment manufacturers (NEMs) Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Network equipment manufacturers (NEMs) Market Estimates and Forecasts, 2021-2026 (in Volume)
Figure Mobile device manufacturers Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Mobile device manufacturers Market Estimates and Forecasts, 2021-2026 (in Volume)
Figure Telecommunication service provider Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Telecommunication service provider Market Estimates and Forecasts, 2021-2026 (in Volume)
Figure Enterprises Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Enterprises Market Estimates and Forecasts, 2021-2026 (in Volume)
Figure Asia-Pacific Market Size and Growth, 2016-2020 (USD Million)
Figure Asia-Pacific Market Size and Growth, 2016-2020 (in Volume)
Figure Asia-Pacific Market Size by Type
Figure Asia-Pacific Market Share by Type
Figure Asia-Pacific Market Size by Application
Figure Asia-Pacific Market Share by Application
Figure North America Market Size and Growth, 2016-2020 (USD Million)
Figure North America Market Size and Growth, 2016-2020 (in Volume)
Figure North America Market Size by Type
Figure North America Market Share by Type
Figure North America Market Size by Application
Figure North America Market Share by Application
Figure Europe Market Size and Growth, 2016-2020 (USD Million)
Figure Europe Market Size and Growth, 2016-2020 (in Volume)
Figure Europe Market Size by Type
Figure Europe Market Share by Type
Figure Europe Market Size by Application
Figure Europe Market Share by Application
Figure South America Market Size and Growth, 2016-2020 (USD Million)
Figure South America Market Size and Growth, 2016-2020 (in Volume)
Figure South America Market Size by Type
Figure South America Market Share by Type
Figure South America Market Size by Application
Figure South America Market Share by Application
Figure Middle East & Africa Market Size and Growth, 2016-2020 (USD Million)
Figure Middle East & Africa Market Size and Growth, 2016-2020 (in Volume)
Figure Middle East & Africa Market Size by Type
Figure Middle East & Africa Market Share by Type
Figure Middle East & Africa Market Size by Application
Figure Middle East & Africa Market Share by Application
Figure Asia-Pacific Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure North America Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Europe Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure South America Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure Middle East & Africa Market Estimates and Forecasts, 2021-2026 (USD Million)
Figure CT&M Equipment and Services Market Concentration by Region
Figure Marketing Channels Overview