BLE reaches across a room. The Hop Bridge reaches across a valley, a small, weatherproof device that carries the Hop mesh over a long-range 900 MHzradio, linking local peer-to-peer clusters kilometres apart with no tower and no internet.

Drop one bridge at the edge of each local cluster. Between them it speaks a long-range 900 MHz radio, low-power, line-of-sight, so a sealed Hop message hops out of one peer-to-peer crowd, across open ground, and into the next. The protocol above never changes; only the distance does.
The 900 MHz radio carries small, sealed Hop bundles line-of-sight across open terrain, orders of magnitude past the reach of BLE or Wi-Fi.
An ESP32 joins the local mesh over BLE on one side and drives the 900 MHz radio module on the other. Commodity parts, open design.
The bridge relays ciphertext like any Hop relay. It extends range without becoming something to trust.
The 900 MHz radio is multi-firmware. LoRa is the obvious first waveform, proven, long-range, license-free in the sub-GHz ISM bands, but it's not the only one. Other robust sub-GHz modulations run on the very same chipset.
Pick the waveform that fits the job: maximum range, higher throughput, or whatever your region's spectrum rules allow. Same hardware, same sealed Hop bundles riding across it, flash the firmware that suits the deployment. The network that finds a way finds the waveform too.

Anywhere people and devices are spread across distance the radio in a phone can't cross.
Sensors and crews spread across fields and orchards, kilometres from the nearest building.
Ranger stations, trailheads, and remote huts stitched into one network without laying cable.
Drop bridges to re-connect neighbourhoods when towers are gone, coverage that arrives in a backpack.
Boats, docks, and shore spread beyond a phone's reach, long-range links that don't need a satellite plan.
Mines, ports, and industrial campuses where wiring every corner is impractical.
Teams working past coverage who need their own network to come with them. Public safety & defense →
Target specs, the bridge is in development. Numbers and form factor will firm up through the pilot.
The Hop Bridge is in development and we're opening a pilot program. If you've got distance to cover, a farm, a park, a response plan, a campus, tell us the scenario and we'll fit a unit to it.