Product Details
FTTH SC UPC Simplex Adapter with Flange
An SC UPC fiber optic adapter is a specific type of fiber optic adapter designed to connect two
SC connectors with UPC (Ultra Physical Contact) polish. SC connectors are widely used in fiber optic networks due
to their simple push-pull design, while UPC polish ensures low
insertion loss and high return loss for optimal signal
transmission.
Specification
Parameter | Unit | SC/APC |
| | SM | MM |
| | PC | UPC | APC | PC |
Insertion Loss | dB | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
Exchangeability | dB | ≤0.2 |
Repeatability | dB | ≤0.2 |
Durability | Time | 〉1000 |
Operating Temperature | °C | -45~75 |
Storage Temperature | °C | -45~85 |
Applications of SC UPC Fiber Optic Adapters:
Telecommunications: Used in FTTH (Fiber to the Home) and other
telecom networks.
Data Centers: For connecting fiber optic cables in high-speed
networks.
Enterprise Networks: In LANs (Local Area Networks) and other
fiber-based systems.
CATV (Cable Television): For transmitting high-quality video
signals.
Test and Measurement: Used in fiber optic testing equipment.
Advantages of SC UPC Adapters:
Low Insertion Loss: Ensures minimal signal loss during
transmission.
High Return Loss: UPC polish reduces back reflection, making it
ideal for high-speed networks.
Easy to Use: SC connectors feature a push-pull mechanism for quick
and secure connections.
Durability: Designed for long-term use in various environments.
UPC:
Flat but slightly curved end face.
Lower return loss (around -50 dB).
Suitable for most general-purpose applications.
APC:
Angled end face (8 degrees) to further reduce back reflection.
Higher return loss (around -60 dB).
Used in applications requiring extremely low reflection, such as RF
video signals.
Company Profile
DOWELL Factory Display
We have two subcompanies, one is SHENZHEN DOWELL INDUSTRIAL Which produce Fiber Optic Series and another is NINGBO DOWELL TECH which produce Drop Wire Clamps and Copper Telecom Series. Our products are related to whole cabling system, such as FTTH
Cabling, Distribuction Box, LSA Modules and accesspries. Our
products are related to whole cableing system, such as FTTH
cableing accessories,we will propagate enterprise spirit of
civilization unity truth seeking struggle development and try our
best to build our company as a leader in telecom area. We also implement the concepe of customer value creation for
customer, tailored products to meet the needs of defferent customer
and continuously provide customer with solutions and technical
problems, further exploration and innovation and excellence.
Our Factory

Excellent Business Partners
our products have been well accepted by more than 50 Countries.
Most of them have been used at their telecom projects, and we have
become one of the reliable brands among their local telecom
companies.

Showroom
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Our Team
Our team's expertise spans the entire spectrum of fiber optic
communications, from designing and manufacturing high-performance
optical fibers to implementing robust network infrastructure. We
take pride in our ability to tackle complex challenges and deliver
reliable, high-speed connectivity solutions that power the digital
world.
