47 CFR § 22.759 - Power limit for BETRS.

---
identifier: "/us/cfr/t47/s22.759"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 22.759 - Power limit for BETRS."
title_number: 47
title_name: "Telecommunication"
section_number: "22.759"
section_name: "Power limit for BETRS."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "B"
subchapter_name: "COMMON CARRIER SERVICES"
part_number: "22"
part_name: "PUBLIC MOBILE SERVICES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154, 222, 303, 309, and 332."
regulatory_source: "59 FR 59507, Nov. 17, 1994, unless otherwise noted."
cfr_part: "22"
---


# 22.759 Power limit for BETRS.

The effective radiated power of central office and rural subscriber station transmitters used in basic exchange telephone radio systems must not exceed the limits in this section.

(a) *Maximum ERP.* The effective radiated power (ERP) of central office and rural subscriber station transmitters in BETRS must not exceed the applicable limits in this paragraph under any circumstances.

| Frequency range (MHz) | Maximum ERP (watts) |
| --- | --- |
| 152-153 | 1400 |
| 157-159 | 150 |
| 454-455 | 3500 |
| 459-460 | 150 |

(b) *Height-power limit.* The ERP of central office stations in BETRS must not exceed the amount calculated as follows:

ERP<sub>w</sub> = 557,418 ÷ h<sub>m</sub>2

where ERP<sub>w</sub> is the effective radiated power in Watts

h<sub>m</sub> is the average (eight cardinal radial) antenna height above average terrain in meters