Accessories and Interfaces
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3. After using the cable, it should be arranged in a place that is not easy to be
squeezed to prevent damage to the plug. When installing the differential
antenna, make sure that the hand is rotating the fixed nut at the bottom of the
differential antenna. Do not hold the upper part of the differential antenna to
rotate. Otherwise, It is easy to make the differential antenna contact bad, thus
affecting the working distance.
4.3 Antenna
There areUHF internal radio antenna and 3G/GPRS antenna, you can select the appropriate
antenna according to theoperation mode. The UHF radio antenna is used in the UHF mode, and
the external 3G/GPRS antenna is used in the internal GSM mode.
Figure 4-3-1UHF Radio Antenna(above) and 3G/GPRS Antenna (below)
4.4Benchmark
The benchmark is used to measure the height of the instrument.