| Feature | Nexus DSC | Nexus-II | Nexus-S | Nexus | BETI |
| Interface | WiFi (optional) | WiFi | WiFi | WiFi | Bluetooth |
| Compatibility | Android iOS Mac OS X Windows Linux | Android iOS Mac OS X Windows Linux | Android iOS Mac OS X Windows Linux | Android iOS Mac OS X Windows Linux | Android Mac OS X Windows Linux |
| Ports | 1 x Encoders 1 x Serial RS232 1 x USB | 1 x Encoders 1 x USB | 1 x Serial RS232 1 x Serial TTL SV | 1 x Encoders 2 x Serial RS232 1 x USB | 1 x Encoders |
| Functions | DSC | DSC USB Serial to WiFi Serial to WiFi (USB to RS232 adapter) | Serial to WiFi Serial TTL to WiFi (EQMOD) | DSC Serial to WiFi USB Serial to WiFi | DSC |
| DSC features | Standalone DSC Graphic OLED display GPS receiver Numeric keypad microSD card M-Point System | Basic Encoders Interface Standalone DSC | None | Basic Encoders Interface Standalone DSC | Basic Encoders Interface |
| Go-To support | ServoCAT SiTech SkyTracker | SiTech | N/A | ServoCAT SiTech SkyTracker | N/A |
| Power source | Internal 5Ah Lithium External 5-16V DC | Internal 3.4Ah Lithium External 5-9V DC | External 5-16V DC | Internal 9V External 9-25V DC | Internal 2AA External 9-30V DC / 6-20V DC |