300m Ethernet 25GBASE ESR SFP28 Optical Module Transceiver 850nm MMF DDM

Basic Information
Place of Origin: Shenzhen, China
Brand Name: Gigaopto
Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL
Model Number: GTS-L08B1-03DC
Minimum Order Quantity: 1
Price: negotiable
Packaging Details: Single Package,10 or 20pcs per Tray,30 or 50 or 100pcs per box, 400 or 600pcs per carton
Delivery Time: 1-5 work days
Payment Terms: T/T, L/C
Supply Ability: 80,000pcs/month
Detail Information
Product Name: SFP28 Optical Transceiver Wavelength: 850nm
Date Rate: 25.78Gbps Connector: Duplex LC
Max.Transmission: 300m Warranty: 3 Years
Fiber Type: MMF Keywords: 25GBASE-eSR
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SFP28 Optical Module Transceiver


Optical Module Transceiver 850nm

Product Description

300M Ethernet 25G eSR SFP28 Duplex LC Optical Module Transceiver 850nm MMF DDM





Gigaopto’s GTS-L08B1-03DC is high performance transceiver provides 25GBase throughput up to 300m over OM3 MMF (400m over OM4) using a nominal wavelength of 850nm via LC duplex connector.

The SFP28 eSR transceiver module is fully compliant with the SFP28 MSA, RoHS, SFF-8424, SFF-8431 and SFF-8432 standards.

This swappable transceiver is suitable to be used in various applications,such as 25G Ethernet, Telecom, and Data Center.





Form Factor SFP28 Max Data Rate 25.78Gbps
Wavelength 850nm Max Cable Distance 300m@OM3/400m@OM4
Connector Duplex LC Media MMF
Transmitter Type VCSEL Receiver Type PIN
TX Power -6.4~2.4dBm Receiver Sensitivity <-10.3dBm
Powerbudget 3.9dB Receiver Overload 2.4dBm
Power Consumption ≤1W Extinction Ratio >2dB
DDM/DOM Supported Host FEC Supported
CDR (Clock and Data Recovery) TX & RX Built-in CDR Temperature Range 0 to 70°C (32 to 158°F)
OEM/ODM Supported Warranty 3 years





  • Hot-pluggable SFP28 form factor
  • Data rate up to 25.78125Gbps
  • Compliant with SFP28 MSA and IEEE 802.3by 25GBASE-SR
  • 850nm VCSEL laser and PIN photo-detector
  • Internal CDR on both transmitter and receiver channels
  • Reach up to 300m over MMF with FEC
  • Duplex LC receptacles
  • 1W maximum power dissipation
  • Operating case temperature: C-Temp or I-Temp
  • Single 3.3V power supply
  • Digital diagnostics functions are available via the I2C interface
  • RoHS compliant (lead free)




  • Data Center Interconnect
  • 25G BASE-ESR Ethernet




Each Gigaopto’s optical transceiver is tested in the host device to verify interoperability, and we promise 100% full compatibility on the specified device with a 3-year warranty.

For this GTS-L08B1-03DC optical transceiver module, please refer to the P/N correspondence table. For more product compatibility, please feel free to contact us.


Corresponding Compatible Brand/Part Number
Brand Part Number Brand Part Number
Gigaopto GTS-L08B1-03DC Arista 25GBASE-MR-XSR
Cisco SFP28-25GESR-85 HW SFP-25G-ESR
Dell 407-BBWK Juniper JNP-SFP-25G-SR
Mellanox MMA2P00-AS Intel E25GSFP28SR



For More of our 25GBASE Transceiver Series, please refer to the following table


Part Number Description Wave Length Transmission Media TX Power (dBm) Rx Sens. (dBm) DOM
GTS-L08B1-01DC 25G SR 850nm 100m MMF -6.4~2.4 < -10.3 Y
GTS-L08B1-03DC 25G eSR 850nm 300m MMF -6.4~2.4 < -10.3 Y
GTS-L08B1-01MC 25G CSR Dual Rate 10/25G 850nm 100m MMF -5~2.4 <-10.3 Y
GTS-L13B1-10DC 25G LR 1310nm 10km SMF -4.5~2.5 <-11.4 Y
GTS-L13B1-30DC 25G ER Lite 1310nm 30km SMF 0~6 <-19 Y
GTS-L13B1-40DC 25G ER 1310nm 40km SMF 0~6 <-19 Y
GTS-B23B1-10DC 25G BD LR 1270/1330nm 10km SMF -2~4 <-13 Y
GTS-B32B1-10DC 25G BD LR 1330/1270nm 10km SMF -2~4 <-13 Y
GTS-B23B1-20DC 25G BiDi eLR 1270/1330nm 20km SMF 0~6 <-14 Y
GTS-B32B1-20DC 25G BiDi eLR 1330/1270nm 20km SMF 0~6 <-14 Y
GTS-B23B1-40DC 25G BD ER 1270/1330nm 40km SMF 0~6 <-18 Y
GTS-B32B1-40DC 25G BD ER 1330/1270nm 40km SMF 0~6 <-18 Y
GTS-CxxB1-10DC 25G CWDM LR C27/C29/C31/C33/C35/C37 10km SMF 0~6 <-14 Y
GTS-CxxB1-10DC 25G CWDM LR C47/C49/C51/C53/C55/C57 10km SMF 0~6 <-14 Y
GTS-CxxB1-30DC 25G CWDM ER Lite C27/C29/C31/C33/C35/C37 30km SMF 0~6 <-19 Y
GTS-CxxB1-30DC 25G CWDM ER Lite C47/C49/C51/C53/C55/C57 30km SMF 0~6 <-19 Y
GTS-DxxB1-10DC 25G DWDM LR 100GHz C17~C61 10km SMF -2~6 <-12 Y


Contact Details

WhatsApp : +8615989585901