Figure 4-2-3 OTG cable
4.3 Antenna
There is one standard radio antenna and one 4G antenna, you can select the appropriate antenna
according to the operation mode. The UHF radio antenna is used in the internal UHF mode, and the
external 4G antenna is used in the internal GSM mode.
Figure 4-3-1 4G antenna(above) and radio antenna(below)
4.4 Benchmark
The benchmark is used to measure the height of the instrument.
Figure 4-4-1 Benchmark
4.5 Battery & charger
1. Battery: the host is equipped with the 6800mAh/7.4V intelligent lithium battery, with a power
indicator function.
Figure 4-5-1 Battery
There are 4 indicator lights in all:
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