QSFP+ SR 40GBASE BIDI MultiMode Optical Transceiver Duplex LC 300m

Basic Information
Place of Origin: Shenzhen, China
Brand Name: Gigaopto
Certification: CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL
Model Number: GTQ-B08A4-03DC
Minimum Order Quantity: 1
Price: negotiable
Packaging Details: Static bag, Plastic PVC Pack, Retail box
Delivery Time: 1-5 work days
Payment Terms: T/T, L/C
Supply Ability: 2000pcs/month
Detail Information
Product Name: QSFP-40G-SR-BiDi Bit Rate: 40Gbps
Packaging: QSFP+ Wavelength: 850nm
Fiber Length: 300m@OM3/400m@OM4/500m@OM5 Connector: Duplex LC
Highlight: 40GBASE-SR4 WDM QSFP+ MMF 850nm VCSEL 300m
High Light:

40GBASE MultiMode Optical Transceiver


BIDI MultiMode Optical Transceiver

Product Description

QSFP-40Gbps-SR-BiDirectional MMF Optical Fiber Transceiver Module Duplex LC 300m for Ethernet and Data Center




  • Utilizes a standard LC duplex fiber cable allowing reuse of existing cable infrastructure
  • Built-in digital diagnostic functions
  • Temperature range 0°C to 70°C
  • RoHS Compliant Part
  • 40Gbps 850nm 300m QSFP Bi-direction Optical Transceiver
  • Capable of over 300m transmission on OM3 Multimode Fiber (MMF)and 400m on OM4 MMF and 500m on OM5
  • Single +3.3V power supply operating
  • Compliant to the 40GbE XLPPI electrical specification per IEEE 802.3ba-2010
  • Compliant to QSFP+ SFF-8436 Specification
  • Aggregate bandwidth : >40Gbps
  • Operates at 10.3125 Gbps per electrical channel with 64b/66b encoded data
  • QSFP+ MSA compliant



  • Data aggregation and backplane applications
  • Proprietary protocol and density applications
  • 40 Gigabit Ethernet interconnects
  • Datacom/Telecom switch & router connections




This QSFP+ SR WDM transceiver module supports 40G connection over a dual strand MMF cables while allowing 40G to be deployed using the same infrastructure as 10G (10GBASE-SR) without the need to add any fibers.

It can reach up to 300m over OM4 multimode fiber (MMF) over Duplex LC connector.

It provides high density and low power 40GBASE Ethernet solutions for data center, high performance computing networking, enterprise core and distribution layer applications.

It is fully compliant with QSFP+ MSA, IEEE 802.3ba-2010 40GBASE-SR4.





Form Factor QSFP+ Max Data Rate 41.2Gbps (4×10.3Gbps)

850nm, 880nm, 910nm, 940nm

Distance 300m@OM3/400m@OM4/500m@OM5
Connector Duplex LC Media MMF
Transmitter Type VCSEL Receiver Type PIN
TX Power -7.5~3dBm Receiver Sensitivity <-9.1dBm
Powerbudget 2.6dB Extinction Ratio >2.0dB
Modulation Format NRZ RX Overload >3.0dBm
Power Consumption ≤3.5W CDR Built-in
DDM/DOM Supported Temperature Range 0 to 70°C (32 to 158°F)
EMC (Electro Magnetic Compatibility) Supported Warranty 3 years
MTBF 10,000,000 Hours OEM/ODM Supported
Protocols QSFP+ MSA, IEEE 802.3ba XLPPI electrical interface Compliant
Application 40G Ethernet over duplex MMF, Enterprise Data Center, Allows upgrades from 10GBASE-SR without changing fiber plant





Gigaopto's optical transceivers are 100% compatible with many famous 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 GTQ-B08A4-03DC optical transceiver module compatibility, please refer to the P/N correspondence table. If the brand and part number you are looking for is not listed below, please let us know and we will be delighted to provide you with more details.


Corresponding Compatible Brand/Part Number
Brand Part Number Brand Part Number
Gigaopto GTQ-B08A4-03DC Arista QSFP-40G-SRBD
Mellanox QSFP-40G-SR-BD Extreme 10329


Contact Details

WhatsApp : +8615989585901