ssaprus.works
The world's 1st bilingual predictive mesh messenger. Connect across languages and distances — no internet required.
Our Products
Software that powers the mesh.
Whisper OS
Off-grid messaging firmware
A user-friendly firmware for handheld mesh radio devices. Send messages, view contacts, and monitor your device — all from a small screen with simple button controls.
Premium Features
Intelligent Input Suite
- Next-gen predictive text (EN/CN)
- Full Pinyin IME with phrase suggestions
- Virtual keyboard with CJK font support
- Smart word completion as you type
Wio Tracker L1, GAT562, Meshtiny

Advanced Power Save
- Ultra-efficient power management
- 72+ hours battery on typical usage
- Intelligent idle detection
- Wake instantly when needed
Heltec V3/V4

Radio & Repeater
- Live noise floor chart with high-noise warning
- Channel utilization monitoring
- Packet forwarding with TX/RX pie chart
- Flood & direct traffic stats
All devices

Morse Code Input
- Send messages using morse code
- Perfect for stealth communication
- Alternative input method
All devices with morse support
GPS Privacy Control
- Toggle coordinate visibility on/off
- Keep your location private
- One-tap coordinate hiding
All GPS-equipped devices
Messaging
Quick messages & virtual keyboard
Customizable preset phrases, delivery status
Languages
English, Chinese, Japanese, Korean
Full multilingual message support
Display
Always-on clock modes
Default, Binary, Cat, Dog faces
Network
Repeater mode with live stats
Packet forwarding visualization
Power
ADC calibration for accuracy
Accurate battery readings
Updates
BLE OTA firmware updates
One-tap bootloader (nRF52)
Supported Devices
FoBE Quill, GAT562, Heltec T114, Heltec V3/V4, MeshTiny, ProMicro, RAK4631, Wio Tracker L1
Hardware
Purpose-built devices for the mesh network.
GAT562 30S Kit
High-power mesh device
High-power 1W LoRa mesh device for maximum range. Dual 18650 cells for extended battery life. Pre-configured and ready to use.
Core
nRF52840 @ 64 MHz
LoRa
SX1262 + HPA 30 dBm
Display
1.3" OLED 128×64
Power
Dual 18650, 48–150h
GNSS
Quectel L76K
Bands
US915 / EU868 / CN470
Wio Tracker L1 Pro
Compact field-ready device
Compact mesh node with rugged 3D-printed enclosure. No assembly required. Pre-configured and ready to use out of the box.
Core
nRF52840 @ 64 MHz
LoRa
SX1262 +22 dBm
Display
1.3" OLED 128×64
Power
2000 mAh + Solar
GNSS
Quectel L76K
Size
181 × 56 × 26 mm
Our Partners
Working together with industry leaders to bring you the best mesh networking solutions

