47 CFR § 96.45 - Additional requirements for category B CBSDs.
---
identifier: "/us/cfr/t47/s96.45"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 96.45 - Additional requirements for category B CBSDs."
title_number: 47
title_name: "Telecommunication"
section_number: "96.45"
section_name: "Additional requirements for category B CBSDs."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "D"
subchapter_name: "SAFETY AND SPECIAL RADIO SERVICES"
part_number: "96"
part_name: "CITIZENS BROADBAND RADIO SERVICE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154(i), 303, and 307."
regulatory_source: "80 FR 36222, June 23, 2015, unless otherwise noted."
cfr_part: "96"
---
# 96.45 Additional requirements for category B CBSDs.
(a) Category B CBSDs must be professionally installed.
(b) In the 3550-3650 MHz band, Category B CBSDs must be authorized consistent with information received from an ESC, as described in § 96.15.
(c) Category B CBSDs are limited to outdoor operations.
(d) When registering with an SAS, Category B CBSDs must transmit all information required under § 96.39 plus the following additional information: antenna gain, beamwidth, azimuth, downtilt angle, and antenna height above ground level.