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Telemetry & Networking
The radio backbone of your warning system
This page is organized by the job each piece of equipment does in your network: transmit from the field, extend coverage, receive at the base, and upgrade what you already own.
In the field
Data transmitters
The transmitter is the brain of a station: it reads the sensors, logs the data and sends reports by radio. HydroLynx builds two platforms — the difference is whether the office can talk back.
Bi-directional Transmitter
Bi-directional: poll the station on demand, change its configuration and operate control outputs (gates, pumps, signs) remotely.
- Remote polling and supervisory control
- Inside every 58xx packaged station
Radios for transmitters & repeaters
Every station needs a radio matched to your licensed frequency. Specify at order time.
- Maxon 5 W with enclosure — standard
- Ritron 5 W and 30 W options for longer paths
- Directional antenna SAM160 for marginal links
Across the terrain
Repeaters & coverage
When field sites can't reach the base station directly, a repeater on high ground relays their reports. HydroLynx repeaters ship as packaged units — and the repeater site can earn its keep by monitoring, too.
| Configuration | Model | What it adds |
|---|---|---|
| Standard repeater | 5058RP | Receive-and-retransmit with high-gain antenna, 22 Ah battery, solar panel |
| Dual-radio repeater | 5058RP-2 | Two radios and two antenna connectors for split paths |
| Repeater + sensors | 5058RP-90 / -81 / -N | Add precip, level, weather or full I/O at the repeater site — see product page |
| Intelligent data repeater | 5058RP | Store-and-forward repeater electronics in canister, NEMA-4X or 19-in rack configurations for hilltop and comms-shelter sites |
| More transmit power | RTR-HP | 30 W high-power radio for long or obstructed paths — details → |
Intelligent repeater datasheet: 5058RP datasheet (PDF) → · Repeater antennas & feedline: Antennas & cables →
At the base
Receivers & decoders
The base station turns radio bursts back into data for your software. For ALERT2 networks the high-data-rate receiver/decoder is the 5052RD-K-H 5052RD-K-H, available desktop or 19-inch rack mount, feeding NovaStar5 5073NS-5, flood-NovaStar5 or your own SCADA system.
Legacy ALERT networks are served by the 50386RD and receiver/decoders, so a mixed fleet can keep operating while you migrate.
Protect your investment
Upgrade legacy ALERT to ALERT2
You don't have to replace working stations to modernize. Field-installable kits bring existing HydroLynx transmitters to the ALERT2 standard.
The upgrade kit
- ALERT2 firmware upgrade 5096/A2
- Upgrade kit: encoder, GPS antenna/receiver, lynx386 v2 software 50388/A2-UP
Recommended with it
- Solar panel for every ALERT2 site 5033-0.6B
- 22 Ah gel-cell battery 5031-22
What you keep
- Your standpipes, sensors and site licenses
- Your radio, if compatible with your ALERT2 plan
Public safety
Flashing roadway sign systems
For low-water crossings, a 50388-based controller monitors stream level and automatically activates flashing warning signs when water reaches the road — no operator action required. Systems are configured per crossing.