The hardware design files for the GAPfiller GSM900 have been released on Github.
- Includes: OrCAD schematics, PADS PCB layout, Gerber files.
- Coming soon: USRP FPGA firmware modifications, USRP Hardware Driver (UHD) and OpenBTS Transceiver modules for GAPfiller GSM900, technical documentation
The GAPfiller GSM900 is open-source hardware, released under the CERN Open Hardware License version 1.2.