Robustel R3000 User Guide - Manual (Page 19)

Robustel GoRugged R3000 User Guide
RT_UG_R3000_v.2.0.0 17.01.2014 18 / 131
Confidential
 Inserting SIM Card or Micro SD Card
1. Make sure power supply is disconnected.
2. Use a screwdriver to unscrew the screw on the cover, and then remove the cover, you could find the SIM Card
slots and the Micro SD slot.
3. Insert the SIM card or Micro SD card, and you need press the card with your fingers until you hear “a cracking
sound”. Then use a screwdriver to screw the cover.
 Removing SIM Card or Micro SD Card
1. Make sure router is power off.
2. Press the card until you hear “a cracking sound”, when the card will pop up to be pulled out.
Note:
1. Don’t forget screw the cover for again-theft.
2. Don’t touch the metal surface of the SIM card in case information in the card is lost or destroyed.
3. Don’t bend or scratch your SIM card. Keep the card away from electricity and magnetism.
4. Make sure router is power off before inserting or removing your SIM card or Micro SD card.
2.8 Connect the External Antenna (SMA Type)
Connect router to an external antenna with SMA male connector. Make sure the antenna is for the correct frequency
as your GSM/3G/4G operator with impedance of 50ohm, and also connector is secured tightly.
2.9 Ground the Router
Grounding and wire routing help limit the effects of noise due to electromagnetic interference (EMI). Run the ground
connection from the ground screw to the grounding surface prior to connecting devices.