| Feature | MICAZ | TelosB | IRIS | LOTUS | Imote2 | SunSPOT |
| Processor | ATmega128 | IMSP430 | ATmega128 | Cortex M3 LPC 17xx | Marvell/XScalePXA271 | ARM 920T | Clock speed (MHz) | 7.373 | 6.717 | 7.373 | 10–100 | 13–416 | 180 | Bus width (bits) | 8 | 16 | 8 | 32 | 32 | 32 | System memory (kB) | 4 | 10 | 4 | 64 | 256 | 512 | Operating frequency band (MHz) | 2400 | 2400 | 2400 | 2400 | 2400 | 2400 | Transceiver chip | CC2420 | CC2420 | Atmel RF230 | Atmel RF231 | CC2420 | 802.15.4 | Number of channels | Programmable | Programmable | Programmable | — | In steps of 5 MHz | — | Data rate (kbps) | 250 | 250 | 250 | 250 | 250 | 250 | I/O connectivity | UART, I2C, SPI, DIO | UART, I2C, SPI, DIO | UART, I2C, SPI, DIO | 3xUART, SPI, I2C, I2S, GPIO, ADC | UART3x, SPI2x, I2C, I2S, GPIO, DIO, JTAG | DIO, I2C, GPIO |
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