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800G OSFP 2FR4 PAM4 800GBASE-2FR4 1310nm 2km DOM Dual LC Duplex SMF Optical Transceiver

800G OSFP 2FR4 PAM4 800GBASE-2FR4 1310nm 2km DOM Dual LC Duplex SMF Optical Transceiver

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Part Number: OSFP-2FR4-800G

800G OSFP 2FR4 800GBASE-2FR4 OSFP Optical Transceiver Module (SMF, 1271nm, 1291nm, 1311nm, 1331nm, 2km, LC, DOM)

The 800GBASE-2FR4 OSFP Optical Transceiver Module is designed for 800GBASE Ethernet throughput up to 2km over single-mode fiber (SMF) with duplex LC connectors. The 800 Gigabit Ethernet signal is carried over four wavelengths at 1271, 1291, 1311, 1331 nm. This transceiver is compliant with IEE802.3ck, IEEE 802.3cu, OSFP MSA. The built-in digital diagnostics monitoring (DDM) allows access to real-time operating parameters. It is suitable for 800G Ethernet, Breakout 2x 400G FR4, Data Center, Cloud Networks.


Part Number OSFP-2FR4-800G Vendor Name F-tone
Form Factor OSFP Max Data Rate 850Gbps
Wavelength 1271/1291/1311/1331nm Max Cable Distance 2000m
Connector Dual LC Duplex Media SMF
Transmitter Type EML Receiver Type PIN
Electric Signal 8x100G Optical Signal 8x100G
DDM/DOM Supported Commercial Temperature Range 0 to 70°C (32 to 158°F)
TX Power -3.2~4.4dBm Receiver Sensitivity <-7.9dBm
Power Consumption <18W Extinction Ratio 3.5dB
Modulation Format PAM4 DSP TX and RX
Transmitter and Dispersion Eye Closure Quaternary 4.5dB Powerbudget 1.9dB
Packaging Technology COB (chip on board) Packaging FEC Function* Not Supported
Protocols IEEE 802.3cu, IEEE P802.3ck, OSFP MSA HW Rev 6.01, CMIS5.0 Application 800GBASE Data Center

Please Note:
* FEC in host is required to be turned on to increase the reliability of transmission.

Product Highlights

Built-in Broadcom 7nm DSP Chip, Max. Power Consumption 18W
Self-developed 53G EML Laser Chip to Ensure Production
Parameter Tests for Superior Performance, Quality, and Reliability
High-speed Connectivity Compliant to IEEE 802.3ck and IEEE 802.3cu-2021
Hot Pluggable OSFP MSA Compliant
Support 2x400G Breakout for Higher Port Density
8x106.25G PAM4 Retimed 2x400GAUI-4 Electrical Interface
For Higher Bandwidth in Hyperscale Data Centers and Cloud Infrastructure

Direct Connection for 800GBASE-DR8 QSFP-DD Transceivers


Quality Testing Program


Quality Certifications

Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.



This product belongs to F-tone Networks' optical components product line. For detailed specifications, please contact our sales team. Thank you!
Important Notice:
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

Power and Wavelength Testing

Test the signal delivering strength and wavelength, to ensure the signal decoding capacity of the receiver, and the wavelength remains consistent from the transmitter to the receiver.

Power and Wavelength Testing

Traffic Testing

Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.

Traffic Testing

Optical Performance Testing

Test the transceivers' eye diagram situation, receiving sensitivity, extinction ratio, wavelength, light-emitting, light-receiving, current and voltage, to ensure the signal quality, stability and reliability of the transmission.

Optical Performance Testing

End Face Testing

Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.

End Face Testing

Various Switch Tests

Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.

Various Switch Tests

About F-tone Networks

F-tone Networks is now a world leader in development of optical transceivers and provide a wide range of high-speed optical solutions for optical communication networking, especially for AI, Data Center, enterprise data networking, Industry, aerospace, mining, shipbuilding, railway, metro, long haul transport networking, and mobile access networking applications
F-tone Networks invested in foundational photonics technologies and extensive product development and engineering with global presence in many area also.