Bangladesh Private Cable System (BPCS): A regional submarine cable initiative
The Bangladesh Private Cable System (BPCS) is a submarine telecommunications cable connecting
Cox’s Bazar in Bangladesh to international networks. Spanning approximately 1300 kilometers, the cable is listed as in service, with ownership divided among three entities: CdNet Communications, Metacore Subcom, and Summit Communications. Its primary role is to enhance connectivity for Bangladesh, supplementing existing infrastructure at Cox’s Bazar, which is already a landing site for the
SeaMeWe-4 and
SeaMeWe-6 cables.
What makes BPCS particularly interesting is the limited amount of publicly disclosed information regarding its technical specifications, including design capacity, fiber pair count, supplier, and technology. Additionally, while GeoCables records its ready-for-service (RFS) year as 2026, this date could be subject to discrepancies if alternative industry sources suggest otherwise. The cable's status as "in service" raises questions about whether the RFS year reflects the start of operations or another milestone.
Quick facts
| Name | Bangladesh Private Cable System (BPCS) |
| Length | 1300 km |
| Ready-for-service year | 2026 (GeoCables database; potential conflicts with other sources) |
| Owners | CdNet Communications, Metacore Subcom, Summit Communications |
| Status | Listed as in service |
| Design capacity | Not disclosed |
| Fiber pairs | Not disclosed |
| Supplier | Not disclosed |
| Technology | Not disclosed |
| Landing points | Cox’s Bazar (Bangladesh) |
| Other cables at Cox’s Bazar | SeaMeWe-4, SeaMeWe-6 |
Route
The BPCS connects Cox’s Bazar, a coastal city in southeastern Bangladesh, to international submarine cable networks. While the exact route of the cable is not disclosed, its 1300-kilometer length suggests it extends into the Bay of Bengal and possibly connects to other regional hubs. Cox’s Bazar is already a critical landing point for the SeaMeWe-4 and SeaMeWe-6 cables, making it a strategic location for international bandwidth access.
Why it was built and what it carries
The BPCS was likely built to address growing demand for internet bandwidth in Bangladesh, driven by rapid digitalization, increased mobile and broadband penetration, and the country's burgeoning IT sector. By adding redundancy to the existing infrastructure at Cox’s Bazar, the cable helps mitigate risks associated with outages on other systems, such as SeaMeWe-4 and SeaMeWe-6. However, without public disclosure of its design capacity and fiber pair count, it is unclear how much additional bandwidth BPCS contributes to the region.
History: what can be established
According to GeoCables records, the BPCS is listed as in service, with a ready-for-service year of 2026. This raises a potential conflict, as the cable's operational status suggests it may have been activated earlier. Possible explanations for this discrepancy include:
- The GeoCables database may record the RFS year as a projected milestone rather than the actual start of operations.
- Industry sources could be using different definitions for "in service," such as partial activation or testing phases.
- The cable may have undergone phased deployment, with segments becoming operational before the entire system was officially declared ready.
Without corroboration from operator documentation or additional sources, the exact timeline of the cable's activation remains uncertain.
Capacity and technology
Publicly available information does not disclose the design capacity, fiber pair count, supplier, or technology used for the BPCS. These parameters are critical for understanding the cable's performance and role in the region's telecommunications ecosystem. Without operator documentation, attributing specific technologies or capacities would be speculative.
Latency: the physics
Theoretical latency for the BPCS can be calculated based on its 1300-kilometer length. Light propagating through optical fiber at speeds between 200,000 and 204,000 km/s would result in a one-way latency of approximately 6.4 milliseconds. The round-trip time (RTT) over the wet segment is therefore around 12.7 milliseconds. However, real-world latency is higher due to additional factors such as land-based tails, terminal equipment delays, and network routing. No live measurements for the BPCS are currently available, so its actual performance cannot be verified.
Redundancy: what happens if it breaks
If the BPCS experiences a fault, redundancy is provided by other cables landing at Cox’s Bazar, specifically SeaMeWe-4 and SeaMeWe-6. Both cables are part of larger regional and global networks, ensuring continued connectivity for Bangladesh. Repairing submarine cables typically involves deploying specialized cable-laying ships to locate and fix the fault, a process that can take days or weeks depending on the severity and location of the issue.
Bottom line
- The Bangladesh Private Cable System (BPCS) spans 1300 kilometers and lands at Cox’s Bazar, Bangladesh.
- Ownership is shared by CdNet Communications, Metacore Subcom, and Summit Communications.
- GeoCables records its ready-for-service year as 2026, though its listed status as "in service" suggests possible discrepancies.
- Design capacity, fiber pair count, supplier, and technology are not publicly disclosed.
- Theoretical one-way latency over the wet segment is approximately 6.4 milliseconds, with real-world RTT expected to be higher.
- Redundancy is provided by SeaMeWe-4 and SeaMeWe-6, which also land at Cox’s Bazar.