RF Interface F Frequency range Maximum RF output power Number of channels
BLE 2402 − 2480 Mhz 4 dBm 39
ANT+ 2457 MHz 0 dBm 1
GPS 1575.42 MHz N / A 1
R1 ANT+ / BLE 2.4 GHz / 2.4 GHz –6.31 dBm / 3.04 dBm N / A
R2 ANT+ / BLE 2.4 GHz / 2.4 GHz 0.85 dBm / 3.81 dBm N / A
Temperature range
iD.FREE / iD.TRI R1 DUO R2 DUO
Operating temperature: -10°C − +50°C –5°C – +50°C –10°C – +60°C
Charging temperature: 0°C − +45°C
13
User setting Description
Gender Indicate your sex.
Year
Enter your year of birth here. The data is used for various algorithms,
e.g. calorie calculation.
Weight Enter your current weight here.
Height Here you can enter your height.
HR max
Indicate whether your maximum heart rate should be calculated based on your age or
if you want to enter your own maximum heart rate (for example, from a performance
diagnostics).
8.2 Setting: user
9.1 Specifications
9 Technical information
Water resistance iD.FREE / iD.TRI = 5 ATM