Size:
FMB920: 79 x 43 x 12 mm (L x W x H) / 54g weight
MTB100: 79 x 43 x 27.5 mm (L x W x H) / 69g weight
MTB100 - 1 LED status indication
FMB920 - 2 LEDs indicating device status
Current Consumption at 12V MTB100:
GPRS: average 63.48 mA rms
...
Ultra Deep Sleep: average 2.56 mA
Rated current: 250 mA
Current Consumption at 12V FMB920:
GPRS: average 63.48 mA rms
...
Ultra Deep Sleep: average 2.08 mA
Rated current: 250 mA
MTB100 Operating Temperature (without battery): -25..+55 °C
FMB920 Operating Temperature (without battery): -40..+85 °C
...