CHORA™ · a private network you own
The ground your network covers.
CHORA™ is the private long-range network under every Harmony deployment. A few gateways on roofs and poles cover a property, a campus or a service territory. Battery sensors and controllers join it and run for years. Every reading lands in MODURA. We design it, build it and hand you the keys.
Like a chorus: hundreds of devices speaking in turn to a few gateways, one conductor, one record.
At a glance
Yours, from the gateway to the data.
What a CHORA network is
Three things, all in your name.
The gateways
Radios on a roof, a pole or a cabinet that hear every device in range. Powered by mains, solar or battery, backhauled over Ethernet, cellular or a wireless bridge. BRIDGE™ is our own, with cellular built in.
The network server
The account that admits devices, checks their keys, removes duplicates and queues commands. Set up in your name, on your own cloud or ours, with your team as the administrators.
The devices
BLADE™ soil sensors, valve controllers, meters, pressure transducers and weather stations, each carrying its own keys. Ours or any certified device from any maker.
Why not Wi-Fi, cellular or wire
Built for the places the other networks don't reach.
Every site we work on has tried something else first.
Wi-Fi stops at the building
It needs power at every device, it belongs to IT, and it dies in vaults, medians and the back forty. A CHORA gateway covers all of that from one roof.
Cellular bills by the device
A modem and a plan on every sensor adds up, and it is still a battery drain. On CHORA the devices are cheap, last years, and the only cellular link is the gateway's, if it needs one.
Wire stops where the trench stopped
Controllers reach only as far as someone once dug. A CHORA network reaches the valve in the median and the tank at the far end of the lease with no conduit at all.
How we build one
Survey, design, deploy, hand over.
Most networks go up in days, not months. The survey is the part that matters.
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1
Survey
We walk the site with a test gateway and a few devices, find the dead spots before the design does, and note where power and backhaul already exist.
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2
Design
Gateway sites, antenna heights, power and backhaul for each, coverage modeled on the real terrain and buildings, and a written bill of materials. Fixed fee.
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3
Deploy
Gateways mounted and commissioned, the network server set up in your name, every device joined and verified against live readings before we leave.
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4
Hand over
Documentation, training and the administrator logins. Keep us on for monitoring and support, or run it yourself. Either way it is yours.
In the field
CHORA gateway sites.
Rooftops, light poles, cabinets and solar enclosures. The network is only as good as where the gateways stand.
Open underneath
Built on the open LoRaWAN® standard.
CHORA is how we design, build and run a network. Underneath it is the open LoRaWAN® standard, so any certified device from any maker joins your network, and you are never locked to us for hardware. For the radio, the classes, the join and the security, read the guide.
What a CHORA™ network includes
| Item | Delivered |
|---|---|
| Site survey | Walk-through with a test gateway and devices, dead spots mapped, power and backhaul noted |
| Design | Gateway sites, antenna heights, power and backhaul per site, coverage model, bill of materials. Fixed fee |
| Gateways | BRIDGE™ with built-in cellular, or any gateway the site calls for; mains, solar or battery |
| Network server | Account in your name, your team as administrators, hosted by us or on your own cloud |
| Devices | Joined, verified against live readings, and documented with their keys |
| Application | MODURA, with the data arriving before the crew leaves the site |
| Hand-over | Documentation, training and logins; monitoring and support available after |
CHORA™ networks are built on the open LoRaWAN® standard. Any certified device from any manufacturer can join.
Questions
CHORA, answered.
Do I own it?
Yes. The gateways are yours, the network server account is in your name, and the data is yours. We can host and run it for you, or hand it over, and you can change your mind later.
Is CHORA a kind of LoRaWAN?
CHORA is our name for the network we design and build: the survey, the gateway sites, the network server, the commissioning and the hand-over. It runs on the open LoRaWAN standard, which is why any certified device works on it.
I already have gateways. Can you work with them?
Usually. We audit, extend and fix existing networks often. If your gateways are sound we keep them and add what the coverage needs.
What does it cost to run?
No plan per device. Costs are the gateway backhaul, which is often nothing if the site has Ethernet, the network server if hosted, and MODURA. A gateway on cellular backhaul is one modem for the whole site.
How far does it reach?
About 2 km in built-up areas and up to 15 km with line of sight, from each gateway. The survey tells us how many gateways a site needs; most properties need between one and three.
Harmony Analytica
Want a network you own?
Tell us about the site. We will say how many gateways, where, and what it costs, in writing, before anything is ordered.