The phrase "a remarkable network" is correct and usable in written English.
You can use it to describe an impressive or noteworthy system of connections, whether in a social, professional, or technological context.
Example: "The conference provided a platform for attendees to connect and build a remarkable network of industry professionals."
Alternatives: "an impressive network" or "an extraordinary network".
We're tapping the power of FB to build awareness and buzz, but we're quickly realizing that Facebook is a remarkable network in its own right!
The supercluster proposal is, in my view, a remarkable network of universities; large, multinational companies; and subject-matter experts and startups that are coming together to leverage digital technology in almost everything that happens in human endeavor.
Look beyond the abandoned buildings and demolition work, however, wander between the tower blocks and into the adjacent industrial estates, and you will find a remarkable network of artists' studios, workshops and unusual gig venues.
The great metropolis was as quiet, as I used to say, as the day Henry Hudson sailed up that river". Over the course of the next several years, a remarkable network of molecular clouds and filaments was uncovered, extending much further away from the Orion Nebula than expected.
The lightning problem is so extensive that the national power company, Eskom, spent millions to build a remarkable network of receivers that records the location and strength of every bolt that hits the country by detecting disturbances in the AM radio band.
Over the past 50 years, a remarkable network of families has worked behind the scenes on the James Bond films.
"It has led to a quite remarkable network of measures across the world".
A remarkable support network coalesced around him.
We have a remarkable transportation network that enables people to commute vast distances.
And skin contains a remarkable, integrated network of energy-efficient sensors that pick up pressure, temperature and more.
There is little doubt that French intelligence had excellent sources, with a remarkable agent network, a sophisticated signals intelligence bureau and superb photoreconnaissance.
