There is a socket for a Bluetooth antenna to increase the range of communication with a smartphone, which will increase the height of the antenna placement. You will need 

insert nuts 

m2 - 6 pieces 

m3 - 4 pieces

 screws 

m2x12 - 6 pieces 

m3x8 - 4 pieces

Power is supplied via a cable from an external battery with a voltage of 6 - 30 volts, followed by conversion to 5 volts using a step-down converter.