How can I connect antenna to GPS Module ET314AC?(it is not on a breakout board). I have an antenna like this one GPS Active Antenna and Here is the datasheet of ET314ACET314AC Datasheet.I want to connect it manually without any connectors or other things in fact I want to cutoff the connector from antenna.
Read the datasheet!
This pin is reserved an external DC power supply for active antenna. If using 2.85V active antenna, pin 19 has to be connected to pin 20. If the bias voltage of active isn’t 2.85V,you can input bias voltage of you need to this pin.
So just wire the antenna to the RF_IN pin and GND, and connect pin 19 to +3.3V (since your antenna is 3.3V not 2.85V).