Table 1.
Technical specification of computing platforms.
| MODEL | MICAz | IRIS | IMote 2 | TelosB | Tmote Sky |
|---|---|---|---|---|---|
| Processor | 8 MHz MPR2400 | 8 MHz XM2110CA | 13–416 MHz PXA271 | 8 MHz MSP430 | 8 MHz MSP430 |
| OS | Moteworks | Moteworks | TinyOS, Linux | TinyOS | TinyOS |
| Memory | 4 Kbytes | 8 Kbyte | 256 Kb SRAM | 10 Kbyte | 10 Kbyte |
| Flash | 128 kB | 128 kB | 32 MB | 48 kB | 48 kB |
| Storage | 512 kB | 512 kB | 32 MB SDRAM | 1 MB | 1 MB |
|
COMMUNICATION | |||||
| Radio | 802.15.4 | 802.15.4 | 802.15.4 | 802.15.4/ZigBee | 802.15.4 |
| Data Rate | 250 kbps | 250 kbps | 250 kbps | 250 kbps | 250 kbps |
| indoor | 20–30 m | >50 m | 30 m | 20–30 m | 50 m |
| outdoor | 75–100 m | >300 m | 75–100 m | 250 m | |
|
ENERGY | |||||
| Transmit current | 11–17.4 mA | 10–17 mA | 44/66 mA | 21.8 mA | |
| Receive current | 19.7 mA | 16 mA | 44/66 mA | 23 mA | 19.5 mA |
| Active current | 8 mA | 8 mA | 31 mA | 1.8 mA | 500 μA |
| Sleep current | <15 μA | 8 μA | 390 μA | 1 μA | 2.6 μA |
|
SIZE | |||||
| Size (mm) | 65 × 31 × 6 | 65 × 31 × 6 | 36 × 48 × 9 | 65 × 31 × 6 | 65 × 31 × 6 |
| Weight (g) | 18 | 18 | 12 | 23 | 23 |