Unable to connect to GSP SIM5360

[SVG]

Hi,

I´m using a Freematics One+ with original telelogger v5 sketch uploaded with arduino ide without any errors.
I have the version with integrated SIM5360 module. So I connected an external GPS receiver to the SMA connector, just as I would do if I had the stock SIM module.
In the config.h I adjusted the NET_DEVICE to NET_SIM5360 and entered the CELL_APN.

The problem is, that I don´t get any GPS Data, neither in my room with the receiver hanging outside of the window, nor in my car.
The sketch should be transmitting the data to freematics hub, but the only things which are transmitted are timestamp and RSSI.

Am I doing anything wrong ? Are there some special things to consider/furhter adjustments to make in the config.h?

Thanks in advance...

[stanley]

What's your serial output like? Did you see GPS:OK? Make sure the device is connected OBD port otherwise your computer's USB port might not be able to supply enough current surge for both cellular and GPS.