Hardware

Power Requirements
A DIVISION OF TRIMBLE
28 Hardware Overview
Power Consumption
The following table defines the power consumption specifications for the Micro in various
states of operation. See
Power Management for details.
These nominal values should be used to calculate metrics such as battery life. To
determine the absolute maximum DC power that would be required under any condition,
one must consider temperature, channel of operation, and antenna return loss.
Micro Power Consumption
Operation
RF Transmit
Power
Setting
(dBm)
Nominal DC
Power
1
(Watts)
Active Reader (RF On) +30 5.5
+27 3.5
+23 2.5
+10 2.0
No Tag Reading (Micro idle)
Power Mode = FULL
n/a 0.325
No Tag Reading (Micro idle)
Power Mode = MINSAVE
n/a 0.06
No Tag Reading (Micro idle)
Power Mode = SLEEP
n/a 0.008
Shutdown Line enabled
n/a 0.0003
Note: 1 - Power consumption is defined for TTL UART
operation. Power consumption may vary if the USB
interface is connected.
Note: 2 - Power consumption is defined for operation into a
17dB return loss load or better. Power consumption
may increase, up to TBD, during operation into
return losses worse than 17dB and high ambient
temperatures.