Before upload project to arduino you must add "Tiny GPS Plus Plus" to your arduino ide. This liberaray(Tiny GPS Plus Plus) is available on this repository.
Connections:
GSM a6 mini:
VCC => 5v
G => GND
URX => 11
UTX => 10
GPS NEO-6M:
VCC => 3.3v
GND => GND
RX => 3
TX => 2
When you send lc_psw_12345 by sms to this device ,recive location link