...
| Device | Input voltage | Power usage | Usecase |
|---|---|---|---|
| Raspi Zero | 5V | 240mA Source, 350mA max | Video recording (with camera) |
| HV320E | 5V/12V | 1420 mA@5V | Encoding, Modulating, Transmitting |
Some material:
https://kh6htv.files.wordpress.com/2017/12/an-28a-hv320rev18dec2017.pdf
http://www.von-info.ch/hb9afo/articles/DVB-T/HV320/HV-320_Transmitter_Box_QIG_v1.0_20151001-1.pdf