Table 4.
Comparison of alternative WSN Platforms.
| WSN Platforms | TelosB | T-Mote | MicaZ | Proposed Sensor System |
|---|---|---|---|---|
|
| ||||
| CPU Type | MSP430 | MSP430 | Atmel | PIC18F4620 |
| CPU Clock | 8 MHz | 8 MHz | 16 MHz | 40 MHz |
| Radio Chip | CC2420 | CC2420 | CC2420 | CC2420 |
| Data Streaming Rate | <1,000 Hz | <1,000 Hz | <1,000 Hz | 6520 Hz |
| Power Consumption | 24.8 mA | 23.0 mA | 27.7 mA | 51 mA |
| Programming Flexibility | Moderate | Moderate | Moderate | High |
| Size w/o batteries (cm) W × L × T | 3 × 7 × 0.5 | 3 × 7 × 0.5 | 3 × 6 × 0.5 | 3.75 × 5 × 1 |
| Expandability | Yes | Yes | Yes | Yes |
| Firmware | Proprietary | Proprietary | Proprietary | Nonproprietary |
| Cost | $99 | $89 | $99 | $13 |