Campbell Scientific CS475, CS476, and CS477 Radar Water Level Sensor - Manual (Page 51)

Appendix C. FCC/IC Equipment
Authorization (USA/Canada only)
The CS475, CS476, and CS477 are FCC compliant (FCC IC #
M01PULS616263). Modifications to the sensors must have express agreement
from Campbell Scientific. Any modifications not approved by Campbell
Scientific will cause the expiration of the operating license issued by the
FCC/IC. The radar sensor is in conformity with Part 15 of the FCC directives
and fulfills the RSS-210 regulations.
Regulations for operation include:
• These devices must not cause any interfering emissions.
• These devices must accept any interfering emissions received, including
interference that may cause unwanted operating conditions.
C-1