COMPARISION OF MOTES

MARTIN XU

MOTES TO COMPARE

• IRIS 2.4GHz• MICAz 2.4GHz• MICA2 868,916 MHz• Imote2• Intel Mote

REFERENCES

• http://www.xbow.com/Products/Product_pdf_files/Wireless_pdf/IRIS_Datasheet.pdf

• http://www.xbow.com/Products/Product_pdf_files/Wireless_pdf/MICAz_Datasheet.pdf

• http://www.xbow.com/Products/Product_pdf_files/Wireless_pdf/Imote2_Datasheet.pdf

• http://www.xbow.com/Products/Product_pdf_files/Wireless_pdf/MICA2_Datasheet.pdf

• http://www.intel.com/research/downloads/imote-ds-101.pdf

Feature MICA2 IRIS MICAz Imote2 Imote

ProcessorATmega12

8LATmega1281

ATmega128L

MarvellPXA271

ARM7TDMA

Programmable flash memory

128 KB

Serial flash 512 KB 512 KB

RAM 8 KB256KB SRAM32MB SDRAM

64 KB

Configuration EEPROM

4 KB

Serial Comm UART UART

A/D Converter 10 bit ADC

Feature MICA2 IRIS MICAz Imote2 Imote

Other interfaces digital I/O, I2C, SPII2S, AC97,

Camera Chip Interface, JTAG

Current draw (Active Mode)

8 mA

Current draw (Sleep Mode)

< 15 uA 8 uA < 15 uA

Frequency band868/916

(Fc)2405-

2480MHz2400.0 - 2483.5 MHz

Tx data rate38.4 KbaudManchester

250 kbps

RF power -20 ~ 5dBm 3 dBm -24 ~ 0 dBm

Receive sensitivitiy

-98 dBm -101 dBm -94 dBm

Feature MICA2 IRIS MICAz Imote2 Imote

Adjacent channel rejection

36dB/5MHz34dB/-5MHz

4738

Range 500 ft (o)> 984 ft (o)> 165 ft (i)

246-368(o)66-98(i)

98 ft (outdoor)

Current draw(Receive mode)

10 mA 16 mA 19.7 mA31/13MHz

off44/13MHz

Tx/Rx66/104MHz

Tx/RxCurrent draw (Tx)

27 (max Tx power)

10mA/-17dBm

13mA/-3dBm17mA/3dBm

11/-1014/-517.4/0

Current draw(idle/sleep)

- / < 1uA 20uA/1uA - / 390 uA

Battery 2x AA 3x AAA

External power 2.7 – 3.3 V 3.2 – 4.5V

Feature MICA2 IRIS MICAz Imote2 Imote

User interface

3 LEDs

Size 2.25 in x 1.25 in x .25 in 1.10x1.10x.35

Weight 0.7 oz 0.47 oz

Expansion connector

51-pin

Price 115/900Mhz125/433Mhz

115 99 299

THE END ~