5
3.2. Device and standard accessory RF antenna dimensions
Physical characteristics
3.3. Specification
Wireless M-Bus
T1 mode
868.950 MHz
T2 mode
868.300 MHz
Transmitter power output
14 dBm (25 mW)
Receiver sensitivity
-110 dBm
Bluetooth
Transmitter power output
4 dBm (2.5 mW)
Range
max 10 m
Profile
Serial port
Class
2
Power supply and operation
Battery pack
Li-ion
Battery support time at full charge
24 h
Battery charging time
6 h
Automatic power-off
Minimum battery declared capacity life
2 years max.
Ambient temperature
Operating temperature range
0°C to 55°C
