RUPTELA FM-Plug4 - Device Dimensions and Material; Environmental and Electrical Specs

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3.3 Physical Characteristics
Dimensions
63 x 52 x 28 mm
Weight
66 ± 10 g
Housing material
Plastic
Connector
OBD2
Configuration interface
Micro USB
Antenna
Internal
3.4 Technical Characteristics
3.4.1 Environmental Specifications
FM-Plug4
FM-Plug4+
Temperature
Operating: -35 to +60 °C
Storage: -40 to +65 °C
Operating: -35 to +60 °C
Storage: -40 to +65 °C
Battery charging: 0 to +45 °C
Battery discharging: -20 to +60 °C
Battery storage: -20 to +70 °C
Relative humidity
0% to 95% Non-condensing
3.4.2 Electrical Specifications
FM-Plug4
FM-Plug4+
Power supply range
10 – 32 V DC
Power supply voltage
12/24 V DC
Maximum current
rating
250 mA @ 12 V DC
350 mA @ 12 V DC
Internal battery
–
LiPo 3.7 V 190 mAh
Protections
Reverse polarity protection
Electrostatic discharge protection on USB
Battery short circuit protection (FM-Plug4+ only)
Charging protection (FM-Plug4+ only)