| Research institute (Country) | NASA/US Aerospace (US) | NASA/MIT (US) | NASA/JPL (US) | NASA/MIT (US) | TESAT/DLR (Europe/Germany) | NICT (Japan) |
| Link type | LEO-GND | LEO-GND | LEO-LEO | LEO-GND | LEO-GND | LEO-GND |
| Range (km) | 450 | 400 | 200 | 530 | 560 | 700 |
| Data rate | 5–200 Mbps (downlink) 10 kbps (uplink) | 10 Mbps (downlink) | 1 Gbps (downlink) | 200 Gbps (downlink) 5 kbps (uplink) | 100 Mbps (downlink) | 1 Mbps (downlink) |
| Modulation method | OOK (downlink) PPM (uplink) | PPM | NRZ OOK/M-PPM | QPSK (downlink) PPM (uplink) | IM/DD | NRZ (downlink) |
| Optical power of terminal (W) | 2 | - | 1 | 1 | - | 0.27 (980 nm) 0.54 (1,550 nm) |
| Aperture diameter of terminal (mm) | - | - | 10 (Tx) 25 (Rx) | 22 (Tx) 23 (Rx) | 20 (Tx) | - |
| Aperture diameter of telescope (mm) | 400 | 300 | - | 1,000 | 400 (stationary) 600 (transport) | 1,500 (stationary) 300 (transport) |
| Wavelength (nm) | 1,064 (downlink) 1,550 (uplink) | 1,550 (downlink) 975 (beacon) | 850 (downlink) | 1,550 (downlink) 1,537 (uplink) | 1,550 (downlink) 1,590 (beacon) | 980/1,550 (downlink) |
| Volume of terminal (cm) | - | 96 × 119 × 96 | - | 18 × 10 × 10 | 9 × 9.5 × 3.5 | - |
| Weight of terminal (kg) | - | 0.8 | - | 2.25 | 0.397 | ~0.7 |
| Power consumption of terminal (W) | - | 15 | - | 100 | 8.5 | < 10 |
| Launch time | 2015/2017 | 2022 | - | 2022 | 2021 | 2018 |