| SPM9645 |
DSMX / DSM2 |
All Spektrum receivers with remote ports |
Single antenna |
Legacy model, compact size |
| SPM9745 |
DSMX / DSM2 |
AR636, AR7350, AR9350, PowerSafe |
Repositionable antenna |
Improved strain relief, newer design |
| SPM9746 |
DSMX / DSM2 |
Same as SPM9745 |
Shorter antenna |
Optimized for tight installations |
| SPM4650 |
DSMX SRXL2 |
Modern SRXL2-compatible flight controllers |
Integrated PCB antenna |
Ultra-lightweight, full-range |
| SPM4651T |
DSMX SRXL2 + Telemetry |
Flight controllers with SRXL2 + telemetry |
Integrated PCB antenna |
Telemetry-capable satellite |
| SPM9747 |
DSMX SRXL2 |
Modern Spektrum receivers |
Single wire antenna |
Compact, newer generation |
