Forerunner 405 Owner’s Manual 39
Appendix
Battery type: 300 mAh rechargeable
lithium-ion battery
Battery life: up to 8 hours in GPS
mode; up to 2 weeks in power save
mode.
Operating temperature range:
5°F–122°F (-15°C–50°C)
Charging temperature range:
32°F–122°F (0°C–50°C)
Radio frequency/protocol: 2.4
GHz/Dynastream ANT+Sport
wireless communications protocol
GPS Antenna: internal patch
GPS Receiver: high-sensitivity
integrated
USB ANT Stick
Physical size: 2.32 in. × 0.71 in. ×
0.28 in. (59 mm × 18 mm × 7 mm)
Weight: 0.01 lbs. (6 g)
Transmission range: Approximately
16.4 ft. (5 m)
Operating temperature: 14°F–
122°F (-10°C–50°C)
Radio frequency/protocol:
2.4 GHz / Dynastream ANT+Sport
wireless communications protocol
Power source: USB
Heart Rate Monitor
Physical size: 13.7 in. × 1.3 in. ×
0.4 in. (34.7 cm × 3.4 cm × 1.1 cm)
Weight: 1.6 oz. (44 g)
Water resistance: 32.9 ft. (10 m)
Transmission range: approximately
9.8 ft. (3 m)
