Fiber optical transceiver module
The Bee & Berry (Private) Limited QSFP28-BX40-U/D is a high-performance 1G to 100Gbps BIDI optical transceiver designed for long-distance data transmission up to 40km over single-mode fiber using a single LC connector. It delivers stable, low-power, and high-speed connectivity, making it ideal for data centers, telecom networks, and upto 100G Ethernet applications.
The Bee & Berry (Private) Limited QSFP28-BX40-U/D is a high-performance upto 100Gbps BIDI optical transceiver designed for long-distance data transmission up to 40km over single-mode fiber using a single LC connector. It delivers stable, low-power, and high-speed connectivity, making it ideal for data centers, telecom networks, and 1G to 100G Ethernet applications.
Product Overview
The Bee & Berry (Private) Limited QSFP28-BX40-U/D upto 100G BIDI Optical Transceiver is a high-performance upto 100Gbps optical module designed for long-distance data transmission up to 40km over single-mode fiber (SMF).
This 1G to 100G QSFP28 BIDI transceiver uses single fiber LC connectivity and operates at a wavelength of 1305-1309nm, making it ideal for data centers, enterprise networks, and high-speed Ethernet applications.
Engineered with EML laser technology and APD receiver, the module ensures stable long-distance transmission, low power consumption, and high reliability. It is compatible with leading networking brands including Cisco, Huawei, HP, H3C, Juniper, and Extreme.
Key Features
- Supports 1-100GBASE-ER1 BIDI transmission
- Upto 100Gbps data rate with PAM4 signaling
- Up to 40km transmission distance on single-mode fiber
- EML laser transmitter with APD receiver
- 4×25.78Gbps NRZ electrical interface (CAUI-4)
- Integrated KP4 FEC support
- QSFP28 MSA standard package
- Digital Diagnostic Monitoring (DDM) via I2C interface
- Simplex LC fiber connector
- Low power consumption (<4W)
- Operating temperature 0°C to 70°C
- Compliant with IEEE 802.3cu, SFF-8636, SFF-8679
- RoHS compliant and EU Directive 2015/863/EU certified
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Bee & Berry (Private) Limited/ OEM |
| Model | QSFP28-BX40-U/D |
| Form Factor | QSFP28 |
| Data Rate | 1G to 100Gbps |
| Fiber Type | Single Mode Fiber |
| Connector | LC (Single Fiber) |
| Wavelength | 1305-1309nm |
| Transmission Distance | Up to 40km |
| Voltage Supply | 3.3V |
| Power Consumption | <2.5W |
| Operating Temperature | 0°C ~ 70°C |
| Storage Temperature | -40°C ~ 85°C |
| Relative Humidity | 0% ~ 85% |
| Certification | CE, FCC, RoHS |
| Warranty | 3 Years |
| Compatibility | Cisco, Huawei, HP, H3C, Juniper, Extreme |
Applications
The 1G to 100G QSFP28 BIDI 40km optical transceiver module is widely used in:
- High-speed upto 100G Ethernet networks
- Data center interconnection
- Telecommunication networks
- Enterprise backbone networks
- Long-distance fiber communication


Packaging & Shipping
- Minimum Order Quantity: 1 Pair
- Packaging: 4 pcs per tray / box
- Delivery Time: 2–3 working days
- Payment Methods: T/T, PayPal, Western Union
- Place of Origin: China

Ordering Information (1G TO 100G QSFP28 Transceivers)
| Part Number | Data Rate | Distance | Wavelength | Connector |
|---|---|---|---|---|
| QSFP28-SR4 | 1G to100Gbps | 100m | 850nm | MPO |
| QSFP28-LR4 | 1G to 100Gbps | 10km | 1310nm | LC |
| QSFP28-ER4 | 1G to 100Gbps | 40km | 1310nm | LC |
| QSFP28-CWDM4 | 1G to 100Gbps | 10km | 1270-1330nm | LC |
| QSFP28-PSM4 | 1G to 100Gbps | 2km | 1310nm | MPO |
| QSFP28-BX40-U/D | 1G to 100Gbps | 40km | 1305/1309nm | LC |




