Home Cables Locations ● Live Health Research Guide
HomeSubmarine Cables › Taiwan Strait Express-1 (TSE-1)

Taiwan Strait Express-1 (TSE-1)

In Service

260 km · 0 Landing Points · Ready for Service: 2013

Ctrl + Scroll to zoom
👆 Tap to interact with map

Specifications

Length260 km
StatusIn Service
Ready for Service2013
Landing Points0
Countries0

Owners

China Mobile China Unicom Chunghwa Telecom Far EasTone (FET) Taiwan International Gateway Corporation Taiwan Mobile

Landing Points (0)

📡 Live Performance

47
measurements
2
probes
19
days monitored
66.3
ms avg RTT
0
anomalies

Monitored from 2026-04-12 through 2026-05-02 — live ICMP round-trip time measurements via RIPE Atlas probes. All values below are recomputed daily from raw probe data. ✓ No anomalies detected in the monitored period.

Measurement sources

Probe Location Samples Avg Min–Max Last seen
#1009293 RIPE Atlas 35 68.5 ms 53.3–131.1 2026-04-19
#6818 RIPE Atlas 12 59.7 ms 52.9–85.9 2026-05-02

About the Taiwan Strait Express-1 (TSE-1) Cable System

Overview

Taiwan Strait Express-1 (TSE-1) is a regional submarine cable that spans 260 km between China and Taiwan. The cable was ready for service in 2013 and provides a direct fiber-optic link between the two countries, enhancing communication infrastructure.

Route and Landings

Fuzhou, China

Tanshui, Taiwan

Ownership and Operators

The cable is owned by a consortium including China Mobile, China Unicom, Chunghwa Telecom, Far EasTone (FET), Taiwan International Gateway Corporation, and Taiwan Mobile.

Status and Timeline

TSE-1 was ready for service in 2013. The status of the cable is unknown.

Strategic Context

The Taiwan Strait Express-1 (TSE-1) connects China and Taiwan, providing a direct fiber-optic path between these two countries. This cable contributes to the overall network infrastructure that supports internet traffic in the region, ensuring redundancy and reliability for data transmission.

China Mobile is one of the largest telecommunications operators in China, with a broad national footprint and international presence. Chunghwa Telecom operates across Taiwan and has been a key player in the local market since 1986. Far EasTone (FET) is another major Taiwanese telecom company that provides services to both business and consumer markets. The corridor served by TSE-1, which spans the Taiwan Strait, connects two of the most populous regions in East Asia. This link supports a wide range of internet traffic, including voice calls, data transfers, and other digital communications, facilitating economic and social interactions between China and Taiwan.

Taiwan International Gateway Corporation is involved in various telecommunications projects, while Taiwan Mobile operates one of the largest mobile networks in Taiwan.

📡 Health

Status✓ Normal
Last checked2026-05-16 22:30

Monitored using RIPE Atlas probes. Open monitoring →

📊 RTT History

Health Timeline

Mon, Apr 20
View full event log →
🔗
Hop Anomaly
3ms → 14ms (4.50×)
17:00
Tue, Apr 14
View full event log →
Tanshui
RTT Spike
55ms → 111ms (2.03×)
16:31

FAQ

What is the length of the Taiwan Strait Express-1 (TSE-1) cable?
The Taiwan Strait Express-1 (TSE-1) submarine cable is 260 km long.
Who owns the Taiwan Strait Express-1 (TSE-1) cable?
Taiwan Strait Express-1 (TSE-1) is owned by a consortium including China Mobile, China Unicom, Chunghwa Telecom and others.
When was Taiwan Strait Express-1 (TSE-1) put into service?
The Taiwan Strait Express-1 (TSE-1) cable entered service in 2013.
Taiwan Strait Express-1 (TSE-1)
  • Length260 km
  • StatusIn Service
  • Ready for Service2013

Calculate Cable Distance

Find the actual cable routing distance between any two cities

Open Calculator →
🌊 Submarine cables 🛤 Land fiber 📡 RIPE Atlas

🌐 Log In

Access your routes, favorites, and API key

Create account Forgot password?