| Mote Hardware Platform |
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| Mote Hardware Platform |
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| Model | MPR2400CA | Remarks | TPR2420CA | Remarks | |
| Processor Performance | |||||
| Chip | Atmel ATMega128L | TI MSP430 F1611 | |||
| Type | 7.37 MHz, 8-bit | 8 MHz, 16-bit RISC | |||
| Program Flash Memory | 128 kB | 48 kB | |||
| Measurement (Serial) Flash | 512 kB | > 100,000 Measurements | 1024 kB | ||
| Configuration EEPROM (SRAM) | 4 kB | 16 kB | |||
| RAM | - | 10 kB | |||
| Sensor Board Interface | |||||
| Type | 51 pin | USB | v1.1 or higher | ||
| Serial Communications | UART | 0-3V transmission levels | UART | 0-3V transmission levels | |
| Analog to Digital Converter | 10 bit ADC | 8 channel, 0-3V input | 12 bit ADC | 8 channels, 0-3V input | |
| Digital to Analog Converter | - | 12 bit DAC | 2 ports | ||
| Other Interfaces | Digital I/O, I2C, SPI | Digital I/O, I2C, SPI | |||
| Current Draw | 8 mA | Active mode | 1.8 mA | Active mode | |
| < 15 μA | Sleep mode | 5.1 μA | Sleep mode | ||
| User Interface | 3 LEDs | Red, green and yellow | 3 LEDs | Red, yellow and blue | |
| Flash Data Logger Memory | |||||
| Chip | AT45DB014B | M25P80 | |||
| Connection Type | SPI | SPI | |||
| Default power source | |||||
| Battery | 2x AA batteries | 2x AA batteries | Attached pack | ||
| External Power | 2.7 V - 3.3 V | Molex connector provided | USB | ||
| RF Transceiver (Radio) | |||||
| Chip | CC2420 | CC2420 | |||
| Frequency band | 2400 MHz to 2483.5 MHz | ISM band, programmable in 1 MHz steps | 2400 MHz to 2483.5 MHz | ISM band | |
| Antenna Connector | MMCX | Internal antenna + SMA | |||
| Transmit (TX) data rate, max. | 250 kbps | 250 kbps | |||
| RF power | -24 dBm to 0 dBm | -24 dBm to 0 dBm | |||
| Receive Sensitivity | -90 dBm (min), -94 dBm (typ) | -90 dBm (min), -94 dBm (typ) | |||
| Adjacent channel rejection | 47 dB | + 5 MHz channel spacing | 47 dB | + 5 MHz channel spacing | |
| 38 dB | - 5 MHz channel spacing | 38 dB | - 5 MHz channel spacing | ||
| Outdoor Range | 75 m to 100 m | 1/2 wave dipole antenna, LOS | 75 m to 100 m | Inverted-F antenna | |
| Indoor Range | 20 m to 30 m | 1/2 wave dipole antenna | 20 m to 30 m | Inverted-F antenna | |
| Current Draw | 19.7 mA | Receive mode | 23 mA | Receive mode | |
| 11 mA | TX, -10 dBm | - | |||
| 14 mA | TX, -5 dBm | - | |||
| 17.4 mA | TX, 0 dBm | - | |||
| 20 μA | Idle mode, voltage regular on | 21 μA | Idle mode | ||
| 1 μA | Sleep mode, voltage regulator off | 1 μA | Sleep mode | ||
| Sensors | |||||
| Visible Light Sensor Range | - | 320 nm to 730 nm | Hamamatsu S1087 | ||
| Visible to IR Sensor Range | - | 320 nm to 1100nm | Hamamatsu S1087-01 | ||
| Humidity Sensor Range | - | 0-100% RH | Sensirion SHT11 | ||
| Resolution | - | 0.03% RH | |||
| Accuracy | - | ± 3.5% RH | Absolute RH | ||
| Temperature Sensor Range | - | -40°C to 123.8°C | Sensirion SHT11 | ||
| Resolution | - | 0.01°C | |||
| Accuracy | - | ± 0.5°C | @25°C |
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