## 3 CubeSats and Inter-Satellite Links (ISLs)
### Laserm Terminals Payload Capacity
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline
**Corporation** & **Name** & \begin{tabular}{c} **Data Rate** \\ **(D-Down; U-Up)** \\ \end{tabular} & **Link Type** & **Volume (cm\({}^{3}\))** & \begin{tabular}{c} **Power** \\ **Consumption (W)** \\ \end{tabular} & **Mass (kg)** & **Release (Year)** \\ \hline \multirow{7}{*}{TESAT [12]} & TSIRIS & D: 1.25-10 Gbps, U: & LEO-GND & 20.0 \(\times\) 20.0 \(\times\) 15.0 & 40 & 8 & 2019 \\  & SmartLCT & 1.8 Gbps & GEO-GEO, & \(<\)35.0 \(\times\) 35.0 \(\times\) & 150 & 30 & 2020 \\  & D: 100 Mbps, U: & LEO-GND & 9.0 \(\times\) 9.5 \(\times\) 3.5 & 10 & 0.397 & 2021 \\  & CubeLCT & 1 Mbps & LEO-LEO & 2U & 60-86 & 15 & 2023 \\  & SCOT80 & 10 Gbps & LEO-LEO & OU:50.0 \(\times\) 18.0 \(\times\) & 80 & 15 & 2021 \\  & ConLCT & 10 Gbps & GEO-LEO & 11.0 \(\times\) 7.5 & - & \\  & LCT-135 & 1.8 Gbps & GEO-LEO & 60.0 \(\times\) 60.0 \(\times\) 70.0 & 150 & 53 & - \\ \hline \multirow{7}{*}{Mynaric} & CONDOR Mk2 & 0.1-1.25 Gbps & GEO-LEO & \begin{tabular}{c} OU:57.3 \(\times\) 27.1 \(\times\) \\ 23.0, EU:34.0 \(\times\) \\ 25.9 \(\times\) 16.3 \\ \end{tabular} & - & - & 2014 \\  & CONDOR Mk3 & 0.1-2.5 Gbps & GEO-LEO & 17.0, EU:16.1 \(\times\) & - & - & 2017 \\  & & \begin{tabular}{c} 33.6 \(\times\) 25.5 \\ \end{tabular} & - & \begin{tabular}{c} 20.1 \\ 20.1 \\ 33.6 \(\times\) 25.5 \\ \end{tabular} & \begin{tabular}{c} 20.15 \\ 60 \\ \end{tabular} \\ \hline \multirow{7}{*}{MUSTCOM} & STO-90 & 10 Gbps & GEO-LEO & 45.0 \(\times\) 30.0 \(\times\) 38.0 & 60 & 16 & 2020 \\  & SOT-150 & 1.25 Gbps & GEO-GND & 60.0 \(\times\) 40.0 \(\times\) 48.0 & 100 & 50 & 2020 \\ \hline \multirow{7}{*}{NICT [61]} & SOTA [62] & 1 Mbps-10 Mbps & LEO-GND & \
\begin{tabular}{c} All:29.5 \(\times\) 35.6 \(\times\) \\ 43.6, OU:50.0 \(\times\) 10.0 \\ \end{tabular} & 36 & 1.2 & 2019 \\  & SOLISS [63] & 80 Mbps & LEO-GND & \(\times\) 18.0 & - & 4.33 & \(<\)1 & 2018 \\  & VSOTA & 1 kbps-1 Mbps & LEO-GND & - & 340 & 6 & 2021 \\  & HACAL & 10 Gbps & GEO-GND & 3U & - & \(<\)14 & 2024 \\  & CubeSOTA [64] & 10 Gbps & GEO-LEO & 1U & 15 & 1.33 & 2022 \\ \hline \multirow{7}{*}{Hyperion Tech. \& TNO [65]} & CubeCat &
\begin{tabular}{c} D:100 M/300 M/1G- \\ bps, U:200 kbps \\ \end{tabular} & LEO-GND & 1U & 15 & 1.33 & 2022 \\ \cline{1-1}  & Aerospace & AerCube-7a & - & LEO-GEO & - & - & 2015 \\ \cline{1-1}  & AerCube-7b/7c & 100 Mbps & - & 1.5U & - & 3 & 2018 \\ \hline \multirow{2}{*}{Astrogate Labs} & ASTRO-LINK & 1 Gbps & GEO-GND, & 1U & - & 3 & 2022 \\ \cline{1-1}  & Laserm & U: 1.8 Gbps & Air-GEO & - & - & 20-100 & 2015 \\ \hline \multirow{2}{*}{CACI} & CrossBeam-ST0 & 1.25 Gbps & LEO-LEO & - & 50 & 10 & 2021 \\ \cline{1-1}  & CrossBeam-ST1 & 2.5 Gbps & LEO-LEO & - & 75 & 10 & 2021 \\ \hline \multirow{2}{*}{SONY [63]} & SOLISS & 80 Mbps & - & - & - & 1.2 & 2019 \\ \cline{1-1} \cline{2-6}  & & & & & & \\ \end{tabular}
\end{table} 
Table 3: Commercial lasercoms terminals suitable for CubeSat or MicroSats. consideration to ensure the dependable operation of laser communication systems within LEO constellations. In conclusion, the evaluation of laser communication terminals presents a promising trajectory for their integration within LEO constellations. The escalating data rates, optimization of SWaP, diverse link options, and the advancing maturity of technology collectively position laser communication as a viable solution for future high-performance satellite networks.