---
kind: "section"
citation: "47 C.F.R. § 90.541"
title: "47"
number: "90.541"
heading: "Transmitting power and antenna height limits."
url: "https://uscodex.org/cfr/47/90.541"
---

# §90.541. Transmitting power and antenna height limits.


The transmitting power and antenna height of base, mobile, portable and control stations operating in the 769-775 MHz and 799-805 MHz frequency bands must not exceed the maximum limits in this section. Power limits are listed in effective radiated power (ERP).

- (a) The transmitting power and antenna height of base stations must not exceed the limits given in [paragraph (a)](/cfr/47/90.635.md?p=a) of § 90.635.
- (b) The transmitting power of a control station must not exceed 200 watts ERP.
- (c) The transmitting power of a mobile unit must not exceed 100 watts ERP.
- (d) The transmitting power of a portable (hand-held) unit must not exceed 3 watts ERP.
- (e) Transmitters operating on the narrowband low power channels listed in § [90.531(b)(3)](/cfr/47/90.531.md?p=b-3) and [(4)](/cfr/47/90.531.md?p=b-4), must not exceed 2 watts ERP.

## Notes

### Amendments

[79 FR 71326, Dec. 2, 2014]

### Source

Source: 63 FR 58651, Nov. 2, 1998, unless otherwise noted.

### Authority

Authority: 47 U.S.C. 154(i), 161, 303(g), 303(r), 332(c)(7), 1401-1473

### Source

Source: 43 FR 54791, Nov. 22, 1978, unless otherwise noted.

### Amendments

[79 FR 71326, Dec. 2, 2014]