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Engineered for Performance

Trusted manufacturer of high-speed optical transceivers for data centers, telecom, and enterprise networks. ISO-certified quality, full compatibility, and global delivery.

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About Ascent Optics

Located in Shenzhen, China, Ascent Optics Co., Ltd. has been a leading developer, manufacturer, and supplier of optical transceivers since 2009. We specialize in high-performance fiber optic modules for FTTX, data communication, and telecommunications infrastructure.

Our product range includes SFP, SFP+, QSFP, GPON, XFP, X2, and 100G transceivers, all built to meet rigorous industry standards. With over 500 product SKUs and compatibility with Cisco, HP, Brocade, and other major brands, we deliver reliable connectivity solutions worldwide.

2009
Founded
500+
Products
50+
Countries
99.9%
Uptime
QSFP28 Optical Transceiver

Our Product Range

25G SFP SR 300m

25G SFP SR 300m

  • Data Rate: 25.78125 Gbps
  • Wavelength: 850nm
  • Fiber Type: MMF (OM3/OM4)
  • Distance: 300m
  • Compatibility: Cisco, Juniper, Arista
100G QSFP28 LR4 10km

100G QSFP28 LR4 10km

  • Data Rate: 100 Gbps
  • Wavelength: 4x CWDM (1271-1331nm)
  • Fiber Type: SMF
  • Distance: 10km
  • Standard: IEEE 802.3ba
GPON OLT SFP Class C+

GPON OLT SFP Class C+

  • Downstream: 2.488 Gbps
  • Upstream: 1.244 Gbps
  • TX/RX: 1490nm / 1310nm
  • Distance: 20km
  • Class: C+ (High Power)
100G QSFP28 SR4 OM4

100G QSFP28 SR4 OM4

  • Data Rate: 100 Gbps
  • Wavelength: 850nm (4x25G)
  • Fiber Type: MMF (OM4)
  • Distance: 100m
  • Connector: MTP/MPO-12
25G SFP28 SR 100m

25G SFP28 SR 100m

  • Data Rate: 25.78125 Gbps
  • Wavelength: 850nm
  • Fiber Type: MMF (OM3)
  • Distance: 100m
  • Standard: IEEE 802.3by
CWDM QSFP28 100G

CWDM QSFP28 100G

  • Data Rate: 100 Gbps
  • Channels: 4x CWDM
  • Distance: 10km
  • Fiber Type: SMF
  • DDM/DOM: Supported
SFP+ 10G LR 10km

SFP+ 10G LR 10km

  • Data Rate: 10.3125 Gbps
  • Wavelength: 1310nm
  • Fiber Type: SMF
  • Distance: 10km
  • Standard: 10GBASE-LR
SFP 1G SX 550m

SFP 1G SX 550m

  • Data Rate: 1.25 Gbps
  • Wavelength: 850nm
  • Fiber Type: MMF
  • Distance: 550m
  • Standard: 1000BASE-SX

Why Choose Our Transceivers

100% Compatibility

Tested with Cisco, Juniper, Arista, HPE, and other major OEMs. No code errors or lockouts.

Wide Temp Range

Industrial-grade components operate from -5°C to 85°C for harsh environments.

Quality Certified

ISO 9001, RoHS, and CE compliant. Full DDM/DOM support for real-time monitoring.

Fast Global Shipping

Stocked in Asia, EU, and US warehouses. Express delivery to 50+ countries.

500+
Products
150K+
Units Shipped
99.9%
Reliability
50+
Countries

Trusted by Global Partners

★★★★★

"It is a pleasure to do business with you. I would like to recommend this seller."

— Charlie Becker
★★★★★

"Have been working together for more than 2 years — very professional. All products work fine in our equipment. Thank you."

— Matilda Kendrick
★★★★★

"Good quality, great dealer. Our clients are happy with your products."

— Jennie Elder

Get in Touch

Need a quote, technical support, or custom solution? Contact us directly through the official website.

Visit Official Website

Ascent Optics Co., Ltd.

5/F, Building A, Feiyang Industrial Park

No.8 Longchang Rd, Baoan District, Shenzhen, China, 518101

Email: [email protected]

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