PrepperPapa devices
Your own network for the house, without internet.
- USB-C
- Sturdy housing
- Built-in battery
PrepperPapa devices are on the way: small boxes that build your own network in the house and between houses. Through it the PrepperPapa app keeps sending messages, raising alarms and showing your sensors, even with no internet, no router and no signal.
What is your own network good for?
- Works without internet or a router: the Központ is the network.
- Messages, alarms and sensor states reach every phone in the family over Wi-Fi and Bluetooth, and the houses nearby over LoRa radio.
- No cloud and no subscription for the local functions.
- Messages in the rooms are end-to-end encrypted.
- Extenders add coverage room by room.
- Battery units keep working in a power cut.
- A phone joins by scanning a QR code, and devices pair with one button.
The devices
PrepperPapa Központ
The heart of the network: a 2.8-inch touch screen, its own Wi-Fi, the host of the rooms, a Bluetooth repeater, local control of Tuya smart devices and an alarm speaker.
Extender
It carries the Wi-Fi and the Bluetooth network to where the Központ no longer reaches. One-button pairing, and a green light shows it is working.
LoRa unit
The same small box with a short antenna and a LoRa radio in the 868 MHz band. It also runs on a battery and links houses kilometres apart.
Sensors: Tuya smart devices
The Központ handles Tuya smart devices on the local network. A device's local key is issued once by the Tuya cloud; after that, everything runs locally.
What it is good for:
- Zigbee sensors through a Tuya gateway: door and window contact sensor, presence sensor, wireless alarm remote and thermometer.
- Wi-Fi Tuya devices: siren and relay switch, smart switch, smart plug and energy meter, temperature and humidity sensor, thermostat, panel heater, infrared remote and garage door opener.
- A sensor's alert reaches the phones as an encrypted message: over Bluetooth without internet near the Központ, and over the internet anywhere.
- Tripwire and field sentry: a door contact sensor turned into a simple tripwire that also alerts in the field, for the security and watch of a camp or a plot.
- For beekeepers: the thermometer works inside a hive too, so the hive temperature shows up on the phone as well.
- Smoke and water-leak sensor: as a Tuya device it reports the same way, and the alarm shows up on the phone at once.
- Camera alarm: a camera's motion alarm reaches the app as an event, without the picture, if the camera also reports it on the local network.
Handheld unit
An optional handheld with a display, a keyboard, a LoRa radio and a 2000 mAh battery, for messaging without a phone.
Range and rules
The LoRa units work licence-free in the 868 MHz band, under the European standard (ETSI EN 300 220):
- 868.0–868.6 MHz: up to 25 mW (14 dBm) radiated power, 1% duty cycle.
- 869.4–869.65 MHz: up to 500 mW, 10% duty cycle.
| Setting | Typical range |
|---|---|
| Built-up area | 1–3 km |
| Suburban | 3–6 km |
| Line of sight | up to 10–20 km |
For planning, count on 2–5 km per hop; with several hops the network reaches further. LoRa carries a few kilobits per second: text, alarms, sensor states and presence, but no pictures or voice.
The range figures are typical estimates: the real range depends on the terrain, the buildings and where the antenna is placed.
When will they be available?
The devices are in development. There is no price or release date yet.
Want to know when they become available? Enter your e-mail address and we will let you know when a new PrepperPapa product is released.