Catv Isolators

Alibaba.com

Overview

Product sourcing insights & recommendations

LinkedIn · Kyver Green
Strategic Market Research
54 来源

The search for 'CATV isolators' reveals two distinct product categories with different market drivers and technical trends for 2026: RF Galvanic Isolators and Optical Isolators.

Market Trends & Technical Insights

* RF Galvanic Isolators (DOCSIS 4.0 Ready): The market is shifting from standard 1GHz units to 2.0 GHz high-bandwidth isolators Technetix. This trend is driven by the deployment of DOCSIS 3.1 and 4.0, which require higher frequency ranges for multi-gigabit broadband. Demand is also rising due to "Urban Grid Noise" from EV chargers and solar inverters, which increases ground loop issues in multi-dwelling units (MDUs) Alibaba.

* Optical Isolators (FTTH & AI Expansion): In the fiber segment, there is a surge in demand for Polarization-Independent (PI) isolators Focc-Fiber. These are critical for protecting 1550nm laser sources in CATV headends and fiber amplifiers (EDFAs) as global Fiber-to-the-Home (FTTH) and AI data center networks expand Linkedin.

Key Technical Specifications

FeatureRF Galvanic IsolatorsOptical Isolators (1550nm)
Frequency/Wavelength5 MHz – 2.0 GHz Technetix1310nm / 1480nm / 1550nm Focc-Fiber
Insertion Loss≤0.5 dB to ≤1.0 dB AlibabaTypically ~0.5 dB Focc-Fiber
Isolation Rating≥60 dB (Low frequency) Alibaba35 dB to 70 dB (Return loss) Focc-Fiber
ComplianceEN 60728-4 (Class A +10 dB) TechnetixHigh stability (YIG Faraday Effect) Focc-Fiber

Sourcing & Supplier Landscape

The B2B market is dominated by specialized manufacturers in Shenzhen and Hangzhou, offering competitive bulk pricing.

* Pricing: Galvanic isolators range from $0.14 to $1.55 depending on frequency and surge protection AlibabaAlibaba. Optical isolators are priced between $15 and $200, with dual-stage polarization-maintaining units at the higher end AlibabaAlibaba.

* Top Manufacturers: Companies like Shenzhen Wolck Network Product Co., Ltd. Alibaba and Hangzhou Daytai Network Technology Co., Ltd. Alibaba are leading suppliers with over 10-20 years of experience and international certifications like CE and RoHS.

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Optical Isolator 1550nm For Catv Fiber Networks

Products · 2 lists

High Isolation 1550nm Fiber Isolator Single And Dual Stage Optical Isolators For CATV

High Isolation 1550nm Fiber Isolator Single And Dual Stage Optical Isolators For CATV

$15-325.0(182)
MOQ: 1 piece
CATV fiber networks33% reorder rate≤9h response time
Shenzhen Gezhi Photonics Co., Ltd.Shenzhen Gezhi Photonics Co., Ltd.🇨🇳CN4 yrs
High Power Optical Isolator for Fiber Optic Equipment Polarization Insensititive Product

High Power Optical Isolator for Fiber Optic Equipment Polarization Insensititive Product

$255.0(700)
MOQ: 1 piece
CATV fiber networks50+ store reviews25% reorder rate≤2h response time
Fuzhou Huiyuan Communication Equipment Co., Ltd.Fuzhou Huiyuan Communication Equipment Co., Ltd.🇨🇳CN7 yrs
980nm 1310nm 1064nm 1550nm High Isolation EDFA CATV Filter Tube Type Single Stage Dual Stage Optical 2x2 Optical Fiber Isolator

980nm 1310nm 1064nm 1550nm High Isolation EDFA CATV Filter Tube Type Single Stage Dual Stage Optical 2x2 Optical Fiber Isolator

$13-275.0(796)
MOQ: 1 piece
CATV fiber networks200+ store reviews23% reorder rate≤1h response time
Dongguan E Tech Fiber Optic Telecom Co., Ltd.Dongguan E Tech Fiber Optic Telecom Co., Ltd.🇨🇳CN6 yrs
In-Line 1550nm Optical Fiber Isolator Assemblies Essential Equipment for Fiber Optical Communication

In-Line 1550nm Optical Fiber Isolator Assemblies Essential Equipment for Fiber Optical Communication

$18.15-21.785.0(782)
MOQ: 10 pieces
CATV fiber networks≤5h response time
Xiamen Bely Information Technology Co., Ltd.Xiamen Bely Information Technology Co., Ltd.🇨🇳CN4 yrs
Optical Fiber In-Line High-Power Isolator 1310-1550nm FCAPC Connector Yogel Brand Bi-Direction Communication 1 Year Warranty

Optical Fiber In-Line High-Power Isolator 1310-1550nm FCAPC Connector Yogel Brand Bi-Direction Communication 1 Year Warranty

$653.6(324)
MOQ: 2 pieces
CATV fiber networks50+ store reviews≤3h response time
Shanghai Yogel Communication Equipment Co., Ltd.Shanghai Yogel Communication Equipment Co., Ltd.🇨🇳CN11 yrs
Fiber Optical Isolator 850-1550nm Multimode Single Mode High Power Limit Factory Direct ZG Tech

Fiber Optical Isolator 850-1550nm Multimode Single Mode High Power Limit Factory Direct ZG Tech

$22-1134.8(503)
MOQ: 1 piece
200+ store reviews≤3h response time
Zg Technology (shenzhen) LimitedZg Technology (shenzhen) Limitedverified🇨🇳CN15 yrs
Polarization-Preserving In-Line PM Fiber Optic Isolator 1310 1550

Polarization-Preserving In-Line PM Fiber Optic Isolator 1310 1550

$1794.9(311)
MOQ: 2 pieces
9% reorder rate≤1h response time
Hebei Youze Electronic Commerce Co., Ltd.Hebei Youze Electronic Commerce Co., Ltd.🇨🇳CN4 yrs
1310 or 1550nm L Band Polarization Insensitive Fiber Optical Isolator

1310 or 1550nm L Band Polarization Insensitive Fiber Optical Isolator

$3.80-9.804.9(971)
MOQ: 1 piece
100+ store reviews7% reorder rate≤4h response time
Hangzhou Daytai Network Technology Co., Ltd.Hangzhou Daytai Network Technology Co., Ltd.🇨🇳CN13 yrs
1310nm 1550nm Single-stage Polarization Maintaining PM Fiber Optical Isolator

1310nm 1550nm Single-stage Polarization Maintaining PM Fiber Optical Isolator

$150-2004.3(588)
MOQ: 1 piece
≤11h response time
Shenzhen Sopo Optical Communication Co., Ltd.Shenzhen Sopo Optical Communication Co., Ltd.🇨🇳CN3 yrs
HCPL-5430#200 New and Original Logical Output Optical Isolator OPTOISO 1.5KV 2CH PUSH PULL 8DIP

HCPL-5430#200 New and Original Logical Output Optical Isolator OPTOISO 1.5KV 2CH PUSH PULL 8DIP

$99.47-194.674.9(398)
MOQ: 10 pieces
16% reorder rate≤3h response time
Shenzhen Kaizhi Electrical Equipment Co., Ltd.Shenzhen Kaizhi Electrical Equipment Co., Ltd.🇨🇳CN2 yrs