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Appendix
Specifications
Complete specifications for the ISS and other products are available in the
Weather Support section of our website at www.davisnet.com.
Cabled ISS
Temperature range: . . . . . . . . . . . . . . . . -40 to 150° Fahrenheit (-40 to 65° Celsius)
Power input: . . . . . . . . . . . . . . . . . . . . . . Console cable from Vantage Pro2 console
Optional Vantage Pro2 AC power adapter
Wireless ISS
Temperature range: . . . . . . . . . . . . . . . . -40 to 150° Fahrenheit (-40 to 65° Celsius)
Transmission frequency: . . . . . . . . . . . . 902 - 928 MHz FHSS for North America
868.0 -868.6 MHz FHSS for overseas versions: EU, UK,
and OV
Transmitter ID codes: . . . . . . . . . . . . . . 8 user-selectable
License: . . . . . . . . . . . . . . . . . . . . . . . . . Low power (less than 8 mW), no license required
Primary power: . . . . . . . . . . . . . . . . . . . Solar power – Davis solar charger
Backup power: . . . . . . . . . . . . . . . . . . . . CR-123A 3-volt lithium battery (8 months without sun-
light- greater than 2 years depending on solar charging)
Alternate power . . . . . . . . . . . . . . . . . . . AC power adapter
ISS Weather Variable Update Intervals
(Transmitter ID Dependent)
Wind speed: . . . . . . . . . . . . . . . . . . . . . . 2.5 to 3 seconds
Wind direction: . . . . . . . . . . . . . . . . . . . . 2.5 to 3 seconds
Accumulated rainfall: . . . . . . . . . . . . . . . 20 to 24 seconds
Rain rate: . . . . . . . . . . . . . . . . . . . . . . . . 20 to 24 seconds
Outside temperature: . . . . . . . . . . . . . . . 10 to 12 seconds
Outside humidity: . . . . . . . . . . . . . . . . . . 50 seconds to 1 minute
Ultraviolet radiation: . . . . . . . . . . . . . . . . 50 seconds to 1 minute
Solar radiation: . . . . . . . . . . . . . . . . . . . 50 seconds to 1 minute