CBRS CPI CERTIFICATION QUESTIONS AND
ANSWERS LATEST 2025-2026 EXAM UPDATE
|GRADE A+ GUARANTEE
Incumbents - Answer-Tier 1 users who were using the CBRS band
before the CBRS was created.
What kind of architecture does CBRS use and what are the individual
parts? - Answer-CBRS uses a 3-tiered architecture in order to define
who has priority over others. The tiers are:
Tier 1 - Incumbents
Tier 2 - PAL Users
Tier 3 - GAA Users
PPA - Answer-PAL Protected Area
PAL - Answer-Priority Access License
GAA - Answer-General Authorized Access
, What is the main responsibility of the CPI? - Answer-To make sure that
all CBRS transmitting equipment is correctly registered with the SAS
and that all information being sent to the SAS is accurate.
What are the 4 main incumbents and what frequency do they operate at?
- Answer-Military ship-borne radar - 3550 to 3650
Military ground based radar - 3550 to 3700
Fixed satellite service earth stations - 3600 to 3700
Wireless broadband services - 3650 to 3700
What does a PAL cover? - Answer-a PAL covers a single county with
CBRS transmitting devices in it, over a 10 MHz channel.
What information does the SAS gather from individual devices? -
Answer-Location and Transmitting Information
SAS - Answer-Spectrum Access System
CBRS - Answer-Citizens Broadband Radio Service
CPI - Answer-Certified Professional Installer
FCC - Answer-Federal Communications Commission
ANSWERS LATEST 2025-2026 EXAM UPDATE
|GRADE A+ GUARANTEE
Incumbents - Answer-Tier 1 users who were using the CBRS band
before the CBRS was created.
What kind of architecture does CBRS use and what are the individual
parts? - Answer-CBRS uses a 3-tiered architecture in order to define
who has priority over others. The tiers are:
Tier 1 - Incumbents
Tier 2 - PAL Users
Tier 3 - GAA Users
PPA - Answer-PAL Protected Area
PAL - Answer-Priority Access License
GAA - Answer-General Authorized Access
, What is the main responsibility of the CPI? - Answer-To make sure that
all CBRS transmitting equipment is correctly registered with the SAS
and that all information being sent to the SAS is accurate.
What are the 4 main incumbents and what frequency do they operate at?
- Answer-Military ship-borne radar - 3550 to 3650
Military ground based radar - 3550 to 3700
Fixed satellite service earth stations - 3600 to 3700
Wireless broadband services - 3650 to 3700
What does a PAL cover? - Answer-a PAL covers a single county with
CBRS transmitting devices in it, over a 10 MHz channel.
What information does the SAS gather from individual devices? -
Answer-Location and Transmitting Information
SAS - Answer-Spectrum Access System
CBRS - Answer-Citizens Broadband Radio Service
CPI - Answer-Certified Professional Installer
FCC - Answer-Federal Communications Commission