CBRS FINAL ASSESSMENT REVIEW PAPER
2026 ANSWERS GRADED A+
⩥ CBRS frequency. Answer: 3550-3700mhz
⩥ When was CBRS established?. Answer: 2015 by the FCC
⩥ 3 Tiers of CBRS. Answer: incumbents, PAL, and GAA
⩥ Incumbents. Answer: Shipborne radar, ground based radar, fixed
satellite service earth stations 3600-3700, and wireless broadband 3650-
3700
⩥ PAL. Answer: Priority access license - auctioned by FCC - each PAL
is the size of a county - covers 10mhz
⩥ PPA. Answer: PAL protection area
⩥ CBSD. Answer: CBRS device
⩥ ESC. Answer: environmental sensing capability
, ⩥ Who defines CBRS?. Answer: FCC, Winnforum, CBRS-A
⩥ Types of parameters. Answer: Required, optional, REG-conditional
⩥ Cat A - require CPI?. Answer: only if it cannot determine its own
location
⩥ Cat A - indoors?. Answer: Yes
⩥ Cat A - outdoors?. Answer: Only if below height limit
⩥ Cat A - transmit power limit. Answer: 30dBm/10mHz to 20dBm/mHz
⩥ Cat A - used on moving object?. Answer: No
⩥ Cat B - require CPI?. Answer: Yes
⩥ Cat B - indoors?. Answer: No
⩥ Cat B - outdoors?. Answer: Yes, no limit
2026 ANSWERS GRADED A+
⩥ CBRS frequency. Answer: 3550-3700mhz
⩥ When was CBRS established?. Answer: 2015 by the FCC
⩥ 3 Tiers of CBRS. Answer: incumbents, PAL, and GAA
⩥ Incumbents. Answer: Shipborne radar, ground based radar, fixed
satellite service earth stations 3600-3700, and wireless broadband 3650-
3700
⩥ PAL. Answer: Priority access license - auctioned by FCC - each PAL
is the size of a county - covers 10mhz
⩥ PPA. Answer: PAL protection area
⩥ CBSD. Answer: CBRS device
⩥ ESC. Answer: environmental sensing capability
, ⩥ Who defines CBRS?. Answer: FCC, Winnforum, CBRS-A
⩥ Types of parameters. Answer: Required, optional, REG-conditional
⩥ Cat A - require CPI?. Answer: only if it cannot determine its own
location
⩥ Cat A - indoors?. Answer: Yes
⩥ Cat A - outdoors?. Answer: Only if below height limit
⩥ Cat A - transmit power limit. Answer: 30dBm/10mHz to 20dBm/mHz
⩥ Cat A - used on moving object?. Answer: No
⩥ Cat B - require CPI?. Answer: Yes
⩥ Cat B - indoors?. Answer: No
⩥ Cat B - outdoors?. Answer: Yes, no limit