Robustel C9200 User Guide
RT_UG_C9200_v.1.0.1 for NA 27 Nov. 2019 17/27
Note:
1.
Use the specific M2M SIM card when the device is working in extreme temperature, because the regular card for
long
-
time working in harsh environment will be disconnected frequently.
2.
Do not touch the metal of the card surface in case information in the card will lose or be destroyed.
3.
Do not bend or scratch the card.
4.
Keep the card away from electricity and magnetism.
5.
Make sure router is powered off before inserting or removing the card.
2.4 Attach External Antenna (SMA Type)
Attach an external SMA antenna to the 4G IoT Wireless Gateway’s antenna connector and twist tightly. Make sure
the antenna is within the correct frequency range provided by the ISP and with 50 Ohm impedance.
Note:
Recommended torque for tightening is 0.35 N.m.
Module antenna, used for SMA
-
J antenna
connected with cellular network
Bluetooth antenna, used for RP
-
SMA
-
J
antenna for bluetooth connection