Data center campus aerial view
DATA CENTERS

Critical Communications
for Data Centers

Data centers are the backbone of the digital economy, and uninterrupted operational communications is the floor beneath the raised floor. Deep coverage, secure links, multi-network convergence, campus-scale expansion — none of them tolerate failure.

THE CHALLENGE

Routine days are quiet.
Critical communications must hold anyway.

A data hall is silent until something goes wrong — and then the worst outcome is not being able to reach anyone. Operations run hard, the tolerance window is short, and third parties come and go daily. The real difficulty is not the equipment; it is communication between people and traceability on site.

No public signal inside the halls

Steel structures, shielded cabinet rooms and underground power floors leave mobile phones with no bars — and that is where operations happen.

No proof that patrols happened

Checkpoint rounds rely on paper forms and after-the-fact signatures. Whether a point was reached, and when, cannot be evidenced later.

Too many hops from alarm to person

Monitoring raises an anomaly, then someone phones around. Finding who is nearest and confirming where they are both cost time.

Every building its own island

Phased campuses end up with one site and one frequency plan per building, so engineers change channels — or radios — when they cross over.

Third parties are hard to govern

Contractors, maintenance vendors and visitors come and go constantly, with no queryable record of who was in which module and for how long.

The comms system is a blind spot itself

Whether coverage equipment is healthy, or which segment has degraded, usually surfaces only when a user complains that a call will not connect.

Distributed coverage equipment inside a data hall
ON SITE · ORU REMOTE UNIT IN THE DATA HALL
01 · DEEP COVERAGE

The quieter the hall,
the deeper coverage must reach

Steel-framed structures, shielded cabinet rooms, underground power floors — public networks have no bars here, and this is exactly where operations take place.

Fibre reaches every module
ORU remote units extend over fibre into data modules, power corridors and basement levels — RF stays out of the cabinet room while coverage leaves no gaps.
Low power, no interference
Many low-power points replace one high-power source. Spurious emissions stay controlled, coexisting safely with servers, precision cooling and fire systems.
Faults contained by zone
Under a zoned fibre architecture a single segment failure does not propagate; every other area keeps communicating.
02 · SECURITY

Communication security
is part of data security

Inside a facility that hosts customer data, the operational voice link must itself be a controlled channel.

Encrypted DMR private network
Dedicated spectrum with digital encryption keeps voice and data inside the campus — never over the public network, never open to eavesdropping.
Lost radio, remote disable
A radio lost or not returned by a departing employee can be disabled remotely from NetFlex — the moment it powers on it is inert and its access is revoked.
Unique ID, clone protection
Every terminal carries a unique identifier, and cloned devices are actively excluded from the network.
Data center operations engineer
NETFLEX · CENTRALISED DEVICE AUTHORISATION
1 + N CAMPUS ARCHITECTURE

One system per building, or one system for the whole campus

Conventional practice builds a separate base station and coverage system in every data hall. The expandable architecture centralises the base station in Building A and connects the rest over fibre — a single remote unit carries 4–12 channels, so nothing has to be built twice.

TRADITIONAL · STANDALONE
One system per building
Duplicated CAPEX · No roaming
Traditional campus: a standalone base station per building
A base station and antenna system in every building — duplicated equipment and duplicated equipment rooms
Each system needs its own spectrum licence, multiplying frequency resources and annual fees
Buildings form separate networks, so staff switch channels when they cross between them
Maintenance points are scattered, raising the cost of fault-finding and spares management
EVERTAC · EXPANDABLE
1 + N centralised source
Build once · Campus-wide roaming
Campus base map
Central base station · Bldg A Optical remote unit (ORU) · 4–12 CH Fibre route Campus-wide coverage
One central base station in Building A; every other building needs only a fibre run
A single remote unit carries 4–12 channels, so nothing is built twice
Consolidated base station resources reduce the number of licences and the fees payable
One channel plan campus-wide, with seamless roaming for cross-building work
MULTI-NETWORK CONVERGENCE

DMR + Wi-Fi + 4G converged,
so the link never drops

Data halls and power floors run on the DMR private network and in-building Wi-Fi; campus roads, yards and remote sites use 4G alongside DMR. One radio selects the network automatically as the user moves — across buildings, across zones, without a dropped call.

DMR PRIVATE
WI-FI
4G
DMR
Control room duty

Campus-wide dispatch and alarm handling run on the DMR private network, independent of IT — still online when the network is down.

DMR + WI-FI
Data hall operations

Cabinet rooms and power floors are backed by the private network, while office and workshop areas ride in-building Wi-Fi at zero data cost.

4G + DMR
Cross-building patrol

Open areas, yards and inter-campus dispatch use 4G alongside DMR — leaving the building never drops the call or forces a channel change.

ONE TERMINAL FOR ALL NETWORKS
PNR2100 Multi-Mode Radio

When a contractor crew, maintenance team or special task needs its own talk group, create a virtual channel on the Wi-Fi or 4G path — no private-network spectrum consumed, no additional licence application or annual fee.

DMR private Wi-Fi 4G LTE Automatic network selection Virtual channels
Explore PNR2100 →
CROSS-BORDER COMPLIANCE

Building across borders means
compliance and local support are non-negotiable

Data center programmes usually run in several countries at once. Whether equipment can be legally deployed, whether spectrum is approved, and how fast an engineer reaches site — these decide whether the project lands on schedule.

Faster multi-country rollout

Parallel programmes share one design language, drawing set and acceptance standard, so a new market never starts from zero.

Spectrum licensing and type approval

Frequency applications and equipment type approval are completed under local regulation, with certification documents delivered alongside the hardware.

Local supply chain and response

Spares are stocked locally and engineers are based locally, so fault response does not wait on cross-border logistics or time zones.

Regional type approvals and compliance certifications
IMDA
Singapore
MCMC
Malaysia
SRRC
China
NBTC
Thailand
SNI
Indonesia
OFCA
Hong Kong SAR
CE / RED
European Union

Related Project

All case studies →

Planning a data center communications system?

From frequency planning to headroom for future phases, our engineers work with you one to one.

Book a consultation
KEY FACTS

Data center system key facts

Coverage

White space to yard

Data halls, battery rooms, generator and chiller yards

EMF

Low-power antennas

Smart antennas keep radiated power low near IT equipment

Monitoring

Per-antenna status

Each antenna reports health to network management

Independence

Private network

Works without relying on public mobile networks

FAQ

Data center radio coverage FAQ

The questions we hear most often on selection, certification and delivery.

Didn’t find your question? Ask an engineer →

The system uses many low-power antennas instead of a few high-power ones, keeping field strength near racks low while maintaining even coverage. Antenna placement is planned during design to respect equipment clearances.

Shielded halls often block public networks, and operators need push-to-talk group calls and emergency alerts that work during a utility or carrier outage. A private DMR network keeps operations, security and facility teams connected independently.

Typically data halls, battery and UPS rooms, electrical rooms, generator and chiller yards, loading docks, stairwells and the security control room.

Smart antennas and fiber repeaters report status to the network management system, so a failed antenna is located by position rather than discovered by a user.