SparkFun MicroView - USB Programmer Arduino, Other, Sparkfun Originals Power Plant & Driveline Systems 2mm diameter hole and are

2mm diameter hole and are rated up to 16A @ 12v

you have to be very sure now what kind of SMA connector you need

Weight: 21

so you can only connect the cable in one direction

SparkFun MicroView - USB Programmer Arduino, Other, Sparkfun Originals Power Plant & Driveline Systems 2mm diameter hole and areThe MicroView is the first chip sized Arduino compatible module that lets you see what your Arduino is thinking using a built in OLED display. This USB programmer connects directly to the MicroView and lets you not only program the module, but use it to interface with your computer, Rapsberry Pi, or other USB device. The programmer has both male and female headers which allow it to be plugged into a MicroView module and a breadboard at the same time,