User`s manual

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Appendix E - Specifications
Pressure Sensor:
Type Bosch BMP-180, accuracy rated to approx. 9000 m (29,500 ft)
Accuracy Approx 1m (3 ft) throughout rated pressure range
Precision Approx ½ m (1.5 ft) throughout rated pressure range
GPS
Type Maestro Wireless A2235H
SiRF IV
Rate 1 sample/sec.
RF
Type Hope RF HM-TRP-915
Power 100 mW (20 dBi)
Modulation FSK/Digital
Frequency 909-926.750 (as used in the Eggtimer TRS)
Processor
Type Atmel ATMega328P
Speed 16 MHz
Memory
Type I2C Serial EEPROM
Size 64KB (512 Kb)
Deployment
Voltage 3v-60v
Current 8A max, 60 W
Isolation > 3000V (opto-isolator)
Duration 2 seconds
Size Approx 3.9” L x 1.3” W x .5”H
Weight Approx 25 grams
Power
4.5V-30V, min 200 mAH
2S 7.4V LiPo battery, 500 mAH or larger recommended
Current Draw
Startup Approx 200 mA (typically < 2 minutes outdoors)
Operational Approx 80 mA