GTCOM2 User manual
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Table 2 Additional, under request package content
5.6 kOhm resistors - 4 pcs
100 Ohm resistors
– 2 pcs
Spaces for PCB installation - 4 pcs
TPS12 13.7V/1.8A AC/DC Mini
Switching Power Supply with battery
charging
Wiegand keypad & RFID reader
iButton DS1990A-F5+ key
iButton probe with LED indicator
GSM antenna with cable
Mini USB cable
Humidity sensor AM2305
Water Proof DS18b20 Temperature
Probe with 1m cable
Temperature sensor DS18B20
Humidity sensor AM2320
Humidity sensor DHT22
(AM2302)
1.5
General view of the module
Do not locate SIM card with force, because you may damage SIM card holder
1.6
Meaning of LEDs and contacts
Table 3 Meaning of LEDs
Name
Indication variations
Meaning
REG (yellow) built-in
LED
Lights continuously
Modem has been registered to the network
Flashes, remains lit for 50ms, turns off for
300ms
Modem is being registered to the GSM network.