GPS module case

This is enclosure for [BN-220](https://www.banggood.com/Dual-BN-220-GPS-GLONASS-Antenna-Module-TTL-Level-RC-Drone-Airplane-p-1208588.html?rmmds=myorder&cur_warehouse=CN) GPS module to be mounted on drone.
On the bottom of this case is hole for zip tie, so it can be easily fixed to frame.