Compact 1U free-space optical terminal delivering gigabit connectivity for drones, balloons, and spacecraft — 100° steering, dual 850/1550 nm wavelengths, 15W.
Chascii Single Optical Terminal (SOT)
Compact 1U free-space optical terminal delivering gigabit connectivity for drones, balloons, and spacecraft — 100° steering, dual 850/1550 nm wavelengths, 15W.
Description
The Chascii Single Optical Terminal (SOT) is the company's entry-level optical communications node, optimized for Size, Weight, and Power (SWaP) constrained platforms including drones, stratospheric balloons, and small spacecraft. The SOT provides gigabit-speed free-space laser links using both 850 nm and 1550 nm wavelengths across a 100-degree steering angle, making it suitable for a wide variety of pointing scenarios.
At 1U form factor and only 15W power consumption, the SOT enables high-throughput data downlinks that radio-frequency systems cannot match at equivalent size. The 1.5U–2U SOT+AoA variant adds a wide-angle angle-of-arrival (AoA) subsystem that eliminates the need for platform reorientation during link acquisition, significantly simplifying integration on attitude-agnostic hosts.
Chascii's broader product family extends from the SOT to the Omnidirectional ISOC terminal (6U, full-sky coverage, multiple simultaneous links for swarm and constellation applications) and the Long Range Optical Terminal (LROT, 8–10U, extended link budget for distant ground or inter-satellite nodes). All terminals are designed to integrate with Chascii's INSPIRE (INterplanetary SPace InteRnEt) optical backbone — a three-tier network spanning LEO, cislunar, and deep space.
Specifications
| Form factor (SOT) | 1U |
|---|---|
| Power consumption | 15 W |
| Data rate | Gigabit |
| Wavelengths | 850 nm, 1550 nm |
| Steering angle | 100 degrees |
| Sot+aoa form factor | 1.5U–2U |
| Sot+aoa feature | Wide-angle angle-of-arrival — no platform reorientation required |
| Isoc (omnidirectional) form factor | 6U, full-sky coverage, multiple simultaneous links |
| Lrot form factor | 8U–10U, extended range |
| Platform compatibility | Drones, balloons, spacecraft, ground stations |
