see also:
| Feature | PW FlexTT5 | PW Multimax | PW Plus II | RadioPopper PX | RadioPopper JRX |
| Transmitter/Receiver | T/R (Mini is T only) | T/R | T/R | T and R models | T and R models |
| Non-TTL channels | 32 | 32? | 4 | 16 | 16 |
| TTL channels | 20 | 0 | 0 | 4 | 0 |
| camera trigger | Y (Mini = No) | Y | N | N? | N |
| zones / disable on unit | 3 / N | 4 / Y | 1 / N | manual flash zones only | manual flash zones only |
| RF noise meter | N | Y | N | N | N |
| intervalometer | N | Y | N | N | N |
| repeater function | N | Y | N | N | N |
| multipop | N | Y | N | N | N |
| Speedcycler | N | Y | N | N | N |
| Hyper-Sync | Y | N | N | N | N |
| HSS | Y | Y | Y with PX transmitter | ||
| burst rate | 8fps | 12fps? | 12fps? | ||
| remote camera wakeup | N | Y | N | N? | N |
| configure w/o laptop | N | Y | Y | Y | Y |
| kiss of light test | Y | N | N | N | N |
| squelch pre-flash | Y | N | N | N | N |
| on-camera flash needed for TTL | N | N/A | N/A | Y | N/A |
| Canon and Nikon TTL | N - specific model | N/A | N/A | Y | N/A |