---
kind: "section"
citation: "47 C.F.R. § 90.238"
title: "47"
number: "90.238"
heading: "Telemetry operations."
url: "https://uscodex.org/cfr/47/90.238"
---

# §90.238. Telemetry operations.


The use of telemetry is authorized under this part on the following frequencies.

- (a) 72-76 MHz (in accordance with [§ 90.257](/cfr/47/90.257.md) and subject to the rules governing the use of that band).
- (b) 154.45625, 154.46375, 154.47125, and 154.47875 MHz (subject to the rules governing the use of those frequencies).
- (c) 173.20375, 173.210, 173.2375, 173.2625, 173.2875, 173.3125, 173.3375, 173.3625, 173.390, and 173.39625 MHz (subject to the rules governing the use of those frequencies).
- (d) 216-220 and 1427-1435 MHz (as available in the Public Safety and Industrial/Business Pools and in accordance with [§ 90.259](/cfr/47/90.259.md)).
- (e) In the 450-470 MHz band, telemetry operations will be authorized on a secondary basis with a transmitter output power not to exceed 2 watts on frequencies subject to [§ 90.20(d)(27)](/cfr/47/90.20.md?p=d-27) or [§ 90.35(c)(30)](/cfr/47/90.35.md?p=c-30), except that telemetry operations used by Railroad licensees may be authorized on frequency pair 452/457.9375 MHz with a transmitter output power not to exceed 8 watts.
- (f) 220-222 MHz as available under [subpart T](/cfr/47/subpartT.md) of this part.
- (g) 450-470 MHz band (as available for secondary fixed operations in accordance with [§ 90.261](/cfr/47/90.261.md) and for low power operations in accordance with [§ 90.267](/cfr/47/90.267.md)).
- (h) 458-468 MHz band (as available in the Public Safety Pool for bio-medical telemetry operations).
- (i) For Industrial/Business frequencies which are not governed by [paragraphs (a) through (h)](#a..h), on frequencies available for operations up to 2 watts.

## Notes

### Amendments

[44 FR 17183, Mar. 21, 1979, as amended at 46 FR 45955, Sept. 16, 1981; 50 FR 39680, Sept. 30, 1985; 50 FR 40976, Oct. 8, 1985; 56 FR 19603, Apr. 29, 1991; 60 FR 37268, July 19, 1995; 61 FR 6576, Feb. 21, 1996; 62 FR 18927, Apr. 17, 1997; 68 FR 19460, Apr. 21, 2003; 78 FR 28756, May 16, 2013]

### 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

[44 FR 17183, Mar. 21, 1979, as amended at 46 FR 45955, Sept. 16, 1981; 50 FR 39680, Sept. 30, 1985; 50 FR 40976, Oct. 8, 1985; 56 FR 19603, Apr. 29, 1991; 60 FR 37268, July 19, 1995; 61 FR 6576, Feb. 21, 1996; 62 FR 18927, Apr. 17, 1997; 68 FR 19460, Apr. 21, 2003; 78 FR 28756, May 16, 2013]