Manual
SF11 Laser altimeter  
Product manual 
Appendix C :: Connecting to Pixhawk Autopilot using “serial 4” 
Appendix D :: Electromagnetic interference (EMI) graphs 
The SF11 family has been tested for radio frequency interference in accordance with MIL-STD-451C. The results are well within the 
required limits  so that neither  direct radiation nor  secondary radiation from wiring  should cause interference  to on-board systems 
such as GPS and optical flow. 
1. 14 kHz to 1 GHz - narrowband 
SF11 Laser altimeter - Product manual - Revision 9 |    of    | © LightWare Optoelectronics (Pty) Ltd, 2019 | www.lightware.co.za 17 20










