SFP28 25G Bidirectional Fiber Optic Transceiver Module 20km 1270nm-TX/1330nm-RX

Basic Information
Place of Origin: Shenzhen, China
Brand Name: Gigaopto
Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL
Model Number: GTS-B23B1-20DC
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, Western Union
Supply Ability: 20,000pcs/month
Detail Information
Product Name: SFP28 25G BiDi Optical Transceiver Bit-Rate (Gbps): 25.78G
Wavelength: TX-1270nm/ RX-1330nm Latch Color: Blue
Compatible: Customized Temperature: 0 To 70°C (32 To 158°F)
Interface: Simplex LC Reach: 20km
Keywords: SFP-25GBX Optical Module
High Light:

SFP28 25G BiDi


Bidirectional Fiber Optic Transceiver

Product Description

Full Compatible 25GBASE SFP-25GBX 20km Single Fiber Bidi Optical Transceiver Module 1270nm-TX/1330nm-RX DFB + PIN



  • 0℃ to 70℃ Operating Case Temperature Range
  • Low Power Consumption <1.2W
  • Up to 20 km Transmission Distance
  • Single 3.3V±5% Power Supply
  • Compliant with SFF-8472
  • LC Single Connector




Gigaopto’s GTS-B23B1-20DC is a small form factor pluggable module for bi-directional serial optical data communications such as 25G Ethernet and CPRI Option 10.

The transmitter section uses a 1270nm multiple quantum well DFB laser and is a class 1 laser compliant according to International Safety Standard IEC-60825. The receiver section uses an integrated InGaAs detector preamplifier (IDP) mounted in an optical header and a rate selection clock data recovery (CDR) IC.

The 25G Bidi 20km transceiver is fully compliant with SFF-8472, SFF-8402, SFF-8432 and applicable portions of SFF-8431.





Form Factor SFP28 Max Data Rate 25.78Gbps
Wavelength 1270nm-TX/1330nm-RX Max Reach 20km
Connector Simplex LC/UPC Fiber Type SMF
LD Type DFB BiDi PD Type PIN
TX Power 0~6dBm RX Sensitivity <-14dBm
Power-budget 14dB RX Overload 2.5dB
Power Consumption ≤1.2W Extinction Ratio 3.5dB
DDM/DOM Supported FEC Function Not Supported
CDR TX and RX Temperature 0 to 70°C (32 to 158°F)
OEM/ODM Yes Warranty 3-year
Protocols eCPRI, SFF-8472, SFF-8432, SFF-8431






Gigaopto's optical transceivers are 100% compatible with all major switch brands and will not cause damage to OEM devices.

In order to ensure the quality and compatibility of our products, each product is carefully tested on the corresponding equipment before delivery to customers.

For this GTS-B23B1-20DC optical transceiver module compatibility, please refer to the P/N correspondence table. If you can't find the brand or part number you are looking for in the list below, please don't hesitate to let us know.


Corresponding Compatible Brand/Part Number
Brand Part Number Brand Part Number
Gigaopto GTS-B23B1-20DC Arista SFP-25G-BD
Cisco SFP-25GBX-U-20 HW 25GBase-BX-U
Brocade 25G-SFP28-BXU Juniper SFP28-25G-BX
Mellanox SFP28-25G-BX Dell SFP28-25G-BX20
Intel SFP28-25G-BX20    



For More of our SFP28 25GBASE Transceiver Series, please refer to the following table


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


Contact Details

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