Rays CoverageWireless coverage products

Repeaters, DAS and RF components for in-building and tunnel coverage

For telecom integrators and system houses: the hardware, engineering support for your coverage design, and OEM/ODM product lines under your brand, with support from Brussels.

High-power outdoor repeater Active DAS master unit Cavity combiner High-power outdoor remote unit
CELLULAR
700 · 800 · 900 · 1800 · 2100 · 2600 · 3500 MHz
LTE · 5G NR, FDD & TDD; GSM where still in service
Other bands and regions on request: 617 MHz – 5.9 GHz
CRITICAL COMMUNICATIONS
TETRA 380–⁠400 MHz
Other bands and regions on request: VHF 136–⁠174 MHz, UHF up to 512 MHz, 700 MHz PPDR broadband; DMR and P25 on VHF and UHF
WHO WE SUPPLY
Integrators & system houses
In-building, tunnel, rail and campus coverage projects

Where the equipment goes

Illustration: a grey repeater on the wall of an underground car park, its cables leaving from the connectors underneath and running up to a cable tray, white dome antennas on the ceilingIllustration
Office building with underground car parkAn off-air repeater picks up the operator’s signal with a donor antenna on the roof; a coaxial riser feeds ceiling antennas on every floor and in the car park.
Illustration: a finned outdoor remote unit in a niche of a road tunnel, a radiating cable on clamps along the wall and the bright portal in the distanceIllustration
Road or metro tunnelA master unit in the portal building feeds remote units along the tube over fibre; a radiating cable carries TETRA and the mobile networks to every vehicle.
Illustration: a square perforated remote unit on the ceiling of a bright hospital corridor, a bed against the wallIllustration
Hospital or large public buildingSeveral operators and TETRA are combined in the basement and carried over fibre to a remote unit on every floor: wards, operating theatres, lifts and car park.
Illustration: a lattice mast with a microwave dish and two panel antennas above a quarry, a second mast on the wooded hilltop across the valleyIllustration
Valley, quarry or site behind a hillA frequency-shift repeater takes the signal over the ridge on a free frequency; a remote unit on the far side restores it and covers the site.

Illustrations of typical sites and work, not of a specific installation.

Coverage by type of site

Own or manage a building? Start here: what usually goes wrong at each type of site, which system fits and who has to agree.

Where each part sits

From the operator feed to the antennas. Select a part to see its product family.

Supplied by Rays CoverageFrom the operator or the integrator

See the products →

Why work with us

01

Built to your specification

Band plan, power class, enclosure and interfaces are set per project. Rays Technology (Brussels, KBO/BCE 0797.331.189) is your single contracting party: we write the build specification, manage its revisions and review the test data of every unit before delivery; every unit ships with its test record.

02

An engineer in Brussels

Borui Guan, PhD in electronic engineering, writes the build specification with you and follows the order through to commissioning. Support in English, French and Dutch.

03

Documentation from quote to delivery

The documentation follows each revision of the build specification, so your own product qualification always starts from a complete, current file.

Frequently asked

Can the products be adapted to our project?

Yes. Repeaters and remote units are built from the same RF modules, combiners and controller, so a custom band plan, power class or enclosure is mostly a configuration of existing modules; new filter tunings are quoted separately.

What documentation do you supply?

Full datasheets per model are available on request. Datasheets, block diagrams, mechanical drawings, interface descriptions and the test record of every unit come with the delivery, together with the management software and firmware, so the integrator's own product qualification starts from a complete file.

Can you design a coverage system for us?

Yes. Link budgets, DAS layouts, site measurements and commissioning support, in English, French and Dutch. See engineering support.

How are multi-operator buildings handled?

For a building served by several operators, we prepare the technical information each operator asks for before a repeater or DAS is switched on, and we design the system so that every operator's bands are carried as agreed.

What happens if a unit develops a fault?

Send us the serial number and the alarm log. We diagnose from the management data and the unit's test record, and agree the repair or replacement with you.

Can a product change once we have qualified it?

Not without notice. Any change to a component, module or firmware that affects function or documented values is notified to you in writing, with the updated documents, before it applies. Firmware updates are provided on request or together with a change notice.

How are prices and delivery times given?

In each written quote, per build specification and quantity. For a first quote, the product family, the bands and the power class are enough; a quantity range helps.

Project enquiry

Tell us about the site

A few answers are enough for a first product selection.

Planning a product line under your own brand? Use the OEM / ODM form.

  • A product selection for the site
  • A first link budget where the site needs one
  • The list of what we still need from you, such as floor plans or donor measurements

You can attach floor plans here, or send them by email later.

Name and work email are required.

Networks to cover
Reply within two working days.

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