Robustel R3000 Lite User Guide - Manual (Page 18)

Robustel GoRugged R3000 Lite User Guide
RT_UG_R3000 Lite_v.1.0.0 23.12.2013 17 / 113
Confidential
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.
3. Insert the SIM 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
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.
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.