Service providers, data centers, and enterprises need solutions to upgrade bandwidth on existing fiber infrastructure to achieve data rates of 100G and beyond.
ProLabs' new 100G bidirectional transceivers represent a breakthrough for single-mode fiber architectures. The QSFP28 LR1 Bidi, LR1 Bidi ITEMP, and CWDM4 Bidi offer single fiber 100G connectivity for links up to 10km.

QSFP28 100G LR1 Bidi ITEMP
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MSA and TAA 100GBase-BX QSFP28 Transceiver Single Lambda (SMF, 1331nmTx/1271nmRx, 10km w/FEC, LC, DOM, -40 to 85C) | SKU: Q28-100GP4-BXD3327-10-I-C |
MSA and TAA 100GBase-BX QSFP28 Transceiver Single Lambda (SMF, 1271nmTx/1331nmRx, 10km w/FEC, LC, DOM, -40 to 85C) | SKU: Q28-100GP4-BXU2733-10-I-C |
Cisco® Compatible TAA 100GBase-BX QSFP28 Transceiver Single Lambda (SMF, 1331nmTx/1271nmRx, 10km w/FEC, LC, DOM, -40 to 85C) | SKU: Q28-100GP4-BXD3327-10-I-C-C |
Cisco® Compatible TAA 100GBase-BX QSFP28 Transceiver Single Lambda (SMF, 1271nmTx/1331nmRx, 10km w/FEC, LC, DOM, -40 to 85C) | SKU: Q28-100GP4-BXU2733-10-I-C-C |
Arista Networks® Compatible TAA 100GBase-BX QSFP28 Transceiver Single Lambda (SMF, 1331nmTx/1271nmRx, 10km w/FEC, LC, DOM, -40 to 85C) | SKU: Q28-100GP4-BXD3327-10-I-AR-C |
Arista Networks® Compatible TAA 100GBase-BX QSFP28 Transceiver Single Lambda (SMF, 1271nmTx/1331nmRx, 10km w/FEC, LC, DOM, -40 to 85C) | SKU: Q28-100GP4-BXU2733-10-I-AR-C |
Juniper Networks® Compatible TAA 100GBase-BX QSFP28 Transceiver Single Lambda (SMF, 1331nmTx/1271nmRx, 10km w/FEC, LC, DOM, -40 to 85C) | SKU: Q28-100GP4-BXD3327-10-I-J-C |
Juniper Networks® Compatible TAA 100GBase-BX QSFP28 Transceiver Single Lambda (SMF, 1271nmTx/1331nmRx, 10km w/FEC, LC, DOM, -40 to 85C) | SKU: Q28-100GP4-BXU2733-10-I-J-C |
Features & Benefits:
- Single lambda 100G Bidi solution with downstream 1331nm & upstream 1271nm.
- Performance over industrial temperatures ranging from -40°C to +85°C.
- First to market OEM compatible solution for service provider and campus networks.
- Avoid long lead times and backorders with our U.S.- & U.K.-based stock and fast shipping.
- U.S. & U.K. originated, coded, and tested optics solve your network challenges without hassle.
QSFP28 100G LR1 Bidi
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MSA and TAA Compliant 100GBase-BX QSFP28 LR1-Bidi Transceiver (SMF, 1331nmTx/1271nmRx, 10km, LC, DOM, with FEC) | SKU: Q28-100GP4-BXD3327-10-C |
MSA and TAA Compliant 100GBase-BX QSFP28 LR1-Bidi Transceiver (SMF, 1271nmTx/1331nmRx, 10km, LC, DOM, with FEC) | SKU: Q28-100GP4-BXU2733-10-C |
Juniper Networks® 100GBase-BX QSFP28 LR1-Bidi Transceiver (SMF, 1331nmTx/1271nmRx, 10km, LC, DOM, with FEC) | SKU: Q28-100GP4-BXD3327-10-J-C |
Juniper Networks® 100GBase-BX QSFP28 LR1-Bidi Transceiver (SMF, 1271nmTx/1331nmRx, 10km, LC, DOM, with FEC) | SKU: Q28-100GP4-BXU2733-10-J-C |
Cisco® Compatible 100GBase-BX QSFP28 LR1-Bidi Transceiver (SMF, 1331nmTx/1271nmRx, 10km, LC, DOM, with FEC) | SKU: Q28-100GP4-BXD3327-10-C-C |
Cisco® Compatible 100GBase-BX QSFP28 LR1-Bidi Transceiver (SMF, 1271nmTx/1331nmRx, 10km, LC, DOM, with FEC) | SKU: Q28-100GP4-BXU2733-10-C-C |
Features & Benefits:
- Achieve a 100G data rate over a single fiber.
- Up to 10km reach over a single-mode fiber using one PAM4 to minimize point of failures compared to a 4-lane standard part.
- First to market OEM compatible solution with full compatibility of our switches & routers.
- Avoid long lead times and backorders with our U.S.- & U.K.-based stock and fast shipping.
- U.S. & U.K. originated, coded, and tested optics solve your practical network challenges without hassle.
QSFP28 100G CWDM4 Bidi
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MSA and TAA Compliant 100GBase-BX CWDM4 QSFP28 Transceiver (SMF, 1270nm to 1330nm, 2km, LC, DOM) | SKU: Q28-100G-CWDM4-BX-C |
Cisco Compatible 100GBase-BX CWDM4 QSFP28 Transceiver (SMF, 1270nm to 1330nm, 2km, LC, DOM) | SKU: Q28-100G-CWDM4-BX-C-C |
Juniper Compatible 100GBase-BX CWDM4 QSFP28 Transceiver (SMF, 1270nm to 1330nm, 2km, LC, DOM) | SKU: Q28-100GP4-BXU2733-10-J-C |
Features & Benefits:
- CWDM4 Bidi signals from 1270nm to 1330nm (same as standard dual-fiber CWDM4).
- Easily double the number of connections using the same fiber infrastructure.
- 100% in-environment compatibility coded & tested in popular OEM switches & routers.
- Avoid long lead times and backorders with our U.S.- & U.K.-based stock and fast shipping.
- U.S. & U.K. originated, coded, and tested optics solve your network challenges without hassle.