Product guide

www.atcom.cn 6
LED11: When the channel 1 is in communication status, LED11 will be green steady.
LED12: Network status indicator of SIM card of the first channel. When the SIM card is searching
network, the LED12 will blink fast; when the SIM card has found the GSM network and
registered successfully, the LED12 will flip at lower frequency.
LED21: When the channel 2 is in communication status, LED21 will be green steady.
LED22: Network status indicator of SIM card of the second channel. When the SIM card is
searching network, the LED22 will blink fast; when the SIM card has found the GSM
network and registered successfully, the LED22 will flip at lower frequency.
Button: used for turning off the GX01.