| Test cases: | Direct cable connection req'd? (p2p) | Direct visibility req'd (p2p), resulting in really awkward playing? | Range (p2p) | Additional power consumption (heavily depending on the particular model, power saving mode etc) | Ubiquitusness in typical middle/high-end devices: PPC2k | PPC2k2 | WM2003 | WM2003SE | WM5 |
| Cabled: Serial | + | - | 2-6m's | - | + | + | + | + | + |
| Wireless: IR | - | + | 1-4m | 10-50 mA | + | + | + | + | + |
| BT | - | - | <10m | 10-100 mA | - | so-so | + | + | + |
| Wi-Fi | - | - | <100m | 100-500 mA | - | - | so-so | + | + |