Specifications, Forerunner specifications, Heart rate monitor specifications – Garmin 910XT User Manual
Page 45: Usb ant stick specifications
Device Information
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• Do not put the strap in a dryer.
• To prolong the life of your heart rate
monitor, unsnap the module when not
in use.
Specifications
Forerunner Specifications
Battery type
620 mAh prismatic, lithium-
ion battery
Battery life
Actual battery life depends
on use of GPS, backlight,
and ANT+ devices. With a
fully charged battery, the
Forerunner can operate up
to 20 hours with GPS on.
Water
resistance
Water resistant to 164 ft.
(50 m)
Operating
temperature
range
From -4°F to 140°F
(from -20°C to 60°C)
Radio
frequency/
protocol
2.4 GHz ANT+ wireless
communications protocol
Heart rate Monitor Specifications
Battery type
User-replaceable CR2032, 3
volts (
)
Battery life
Approximately 4.5 years
(1 hour per day)
Water
resistance
98.4 ft. (30 m)
This product does not
transmit heart rate data
to your GPS device while
swimming.
Operating
temperature
From 23°F to 122°F
(from -5°C to 50°C)
NOTE: In cold conditions,
wear appropriate clothing to
keep the heart rate monitor
near your body temperature.
Radio
frequency/
protocol
2.4 GHz ANT+ wireless
communications protocol
USB ANT Stick Specifications
Power source
USB
Operating
temperature
From 14°F to 122°F
(from -10°C to 50°C)
Radio
frequency/
protocol
2.4 GHz ANT+ wireless
communications protocol