25GBASE-BX SFP28 Optical Transceiver Single Mode 1330nm 1270nm DFB + PIN 20km

Basic Information
Place of Origin: Shenzhen, China
Brand Name: Gigaopto
Certification: CE,FCC,RoHs, TUV,UL
Model Number: GTS-B32B1-20DC
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: 50,000pcs/month
Detail Information
Product: 25G BiDi 20km Optical Transceiver Bit Rate: 25.78Gbps
Wavelength: TX-1330nm/ RX-1270nm Latch Color: Red
Compatible: Customized Temperature: 0 To 70°C
Cable Distance: 20km Connector: Simplex LC/UPC
Keywords: SFP-25G-BD, OEM 25GBASE Bidirectional Optical Transceiver
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25GBASE-BX SFP28 Optical Transceiver


Single Mode SFP28 Optical Transceiver


Single Mode Transceiver 1330nm

Product Description

25GBASE-BX SFP28 1330nm/1270nm Single Mode Fibre Transceiver Module DFB + PIN 20km



  • LC Simplex Connector
  • Bi-directional SFP28 eLR optical transceiver
  • Single 3.3V±5% Power Supply
  • Digital dignostic functions are available via an I2C interface
  • RoHS complaint and lead free
  • Up to 20 km Transmission Distance
  • 1330nm DFB Laser, 1270nm PIN photo detector
  • Low Power Consumption <1.2W
  • 0℃ to 70℃ Operating Case Temperature Range




This optical transceiver module GTS-B32B1-20DC provides up to 20km of 25GBase-BX throughput over single strand single-mode fiber (SMF) using TX_1270nm/RX_1330nm wavelengths via LC simplex connector.

The transceiver consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance amplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.

This BIDI 25G eLR Transceiver provides 25GBASE Ethernet connectivity options for 25G Ethernet, telecom and data centers.

It is fully compliant with SFF-8472, SFF-8402, SFF-8432, SFF-8431, MSA and eCPRI standards.





Packing SFP28 Data Rate( Gbps ) 25.78G
Wavelength TX-1330nm/RX-1270nm Max Cable Reach 20km
Interface LC Simplex Fiber Type SMF
Transmitter Type DFB BiDi Receiver Type PIN
TX Power 0~6dBm Receiver Sensitivity <-14dBm
Power-budget 14dB Receiver Overload 2.5dB
Power Consumption ≤1.2W Ext.Ratio >3.5dB
DDMI Yes FEC Function N/A
CDR TX and RX Temperature Range 0 to 70°C (32 to 158°F)
OEM/ODM Supported Warranty 3-year
Protocols eCPRI, SFF-8472, SFF-8432, SFF-8431





All of Gigaopto's GTS-B32B1-20DC optical transceiver modules are open sourced, can be coded to be fully compatible with mainstream devices, please refer to the following form, for more products compatibility, please feel free to contact us.


Corresponding Compatible Brand/Part Number
Brand Part Number Brand Part Number
Gigaopto GTS-B32B1-20DC Arista SFP-25G-BD
Cisco SFP-25GBX-D-20 HW 25GBase-BX-D
Brocade 25G-SFP28-BXD 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 -4.5~2.4 <-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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