The PCB layout was done with Mentor Graphic tools, therefore to open the Helios4 PCB files you will need to download the Mentor VX.2.4 Layout Browser free tool [here](https://www.mentor.com/pcb/downloads/browsers/) (available for Linux and Windows).
Mechanical|Helios4 Case B|rev 4G|2017-09-01|[Download](/files/casing/Helios4_CaseB_r4g.skp)|Case Mechanical Design - SketchUp
Mechanical|Helios4 Case B|rev 4G|2017-09-01|[Download](/files/casing/Helios4_CaseB_r4g.pdf)|Case Mechanical Design - PDF
Mechanical|Helios4 Case B|rev 4G|2017-09-01|[Download](/files/casing/Helios4_CaseB_r4g.dxf)|Case Mechanical Design - DXF
Mechanical|Helios4 Case B|rev 4G|2017-09-01|[Download](/files/casing/Helios4_CaseB_r4g.eps)|Case Mechanical Design - EPS
Mechanical|Helios4 Case B Assembled|rev 4G|2017-09-01|[Download](/files/casing/Helios4_CaseB_r4g-assembled.skp)|Case Mechanical Design Assembled - SketchUp
Certification|Helios4 FCC/CE Test Manual|rev 0.1|2018-08-28|[Download](/files/certification/Helios4_FCC_CE_Test_Manual-v0.1.pdf)|Test Manual for FCC/CE Verification
Certification|Helios4 FCC Declaration of Conformity|rev xx|2018-10-09|[Download](/files/certification/FCC_SDoC_Helios4_2GB_ECC.pdf)|FCC SDoC Certificate
Certification|Helios4 FCC EMC Test Report|rev 0.1|2018-10-08|[Download](/files/certification/UCSFC-1810-0036_Helios4_2GB_ECC_Test_Report.pdf)|EMC Lab report for FCC
Certification|Helios4 CE Declaration of Conformity|rev xx|2018-10-09|[Download](/files/certification/CE_DoC_Helios4_2GB_ECC.pdf)|CE DoC Certificate
Certification|Helios4 CE EMC Test Report|rev 0.1|2018-10-08|[Download](/files/certification/UCSCE-1810-0075_Helios4_2GB_ECC_Test_Report.pdf)|EMC Lab report for CE