CPI EXAM/3.65/SAS/CBRS WITH
CORRECT ANSWERS
2025
CBRS - correct answers - citizens broadband radio service
CBRS frequency - correct answers - 3550-3700mhz
When was CBRS established? - correct answers - 2015 by
the FCC 3 Tiers of CBRS - correct answers - incumbents,
PAL, and GAA
Incumbents - correct answers - Shipborne radar, ground based radar, fixed
satellite service earth stations 3600-3700, and wireless broadband 3650-
3700
PAL - correct answers - Priority access license - auctioned by FCC - each
PAL is the size of a county - covers 10mhz
PPA - correct answers - PAL protection
area CBSD - correct answers -
CBRS device
ESC - correct answers - environmental
sensing capability
Who defines CBRS? - correct answers -
FCC, Winnforum, CBRS-A
Types of parameters - correct
answers - Required, optional, REG-
conditional
Cat A - require CPI? - correct answers - only if it cannot determine its
own location Cat A - indoors? - correct answers - Yes
Cat A - outdoors? - correct answers - Only if below height limit
Cat A - transmit power limit - correct answers - 30dBm/10mHz to
20dBm/mHz Cat A - used on moving object? - correct answers - No
Cat B - require CPI? - correct answers -
Yes Cat B - indoors? - correct
answers - No
CORRECT ANSWERS
2025
CBRS - correct answers - citizens broadband radio service
CBRS frequency - correct answers - 3550-3700mhz
When was CBRS established? - correct answers - 2015 by
the FCC 3 Tiers of CBRS - correct answers - incumbents,
PAL, and GAA
Incumbents - correct answers - Shipborne radar, ground based radar, fixed
satellite service earth stations 3600-3700, and wireless broadband 3650-
3700
PAL - correct answers - Priority access license - auctioned by FCC - each
PAL is the size of a county - covers 10mhz
PPA - correct answers - PAL protection
area CBSD - correct answers -
CBRS device
ESC - correct answers - environmental
sensing capability
Who defines CBRS? - correct answers -
FCC, Winnforum, CBRS-A
Types of parameters - correct
answers - Required, optional, REG-
conditional
Cat A - require CPI? - correct answers - only if it cannot determine its
own location Cat A - indoors? - correct answers - Yes
Cat A - outdoors? - correct answers - Only if below height limit
Cat A - transmit power limit - correct answers - 30dBm/10mHz to
20dBm/mHz Cat A - used on moving object? - correct answers - No
Cat B - require CPI? - correct answers -
Yes Cat B - indoors? - correct
answers - No