Universal Licensing System
WRZM404
AT&T Mobility Spectrum LLC
License details
| ULS identifier | 4843821 |
|---|
| Call sign | WRZM404 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2023-11-17 |
|---|
| Expiration | 2033-11-17 |
|---|
| Frequency range | 21825 - 22075 MHz (5 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | FONTANA, SAN BERNARDINO, CA |
|---|
| Coordinates | 34.1527222, -117.4753056 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:19 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21825.00000000 | | | | | |
| 1 | 3 | FXO | 21825.00000000 | | | | | |
| 1 | 2 | FXO | 21875.00000000 | | | | | |
| 1 | 4 | FXO | 21875.00000000 | | | | | |
| 1 | 1 | FXO | 21925.00000000 | | | | | |
| 1 | 2 | FXO | 21975.00000000 | | | | | |
| 1 | 4 | FXO | 21975.00000000 | | | | | |
| 1 | 3 | FXO | 22075.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 3 | 21825.00000000 | | 50M0D7W |
| 1 | 2 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 4 | 21875.00000000 | | 50M0D7W |
| 1 | 1 | 21925.00000000 | | 50M0D7W |
| 1 | 2 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 4 | 21975.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
| 1 | 3 | 22075.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 15268 SUMMIT AVENUE, FONTANA, SAN BERNARDINO, CA | 34.15272222, -117.47530556 | 479.800 m | MTOWER | 27.700 m structure / 27.700 m overall | N |
| 2 | R | | 34.14230556, -117.48638889 | 442.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | COMMSCOPE SHPX2-23B | | V | 40.5000 | 221.5000 | | |
| 1 | 2 | R | COMMSCOPE SHPX2-23B | | | 40.5000 | | | |
| 2 | 1 | T | COMMSCOPE SHPX2-23B | | H | 40.5000 | 221.5000 | | |
| 2 | 2 | R | COMMSCOPE SHPX2-23B | | | 40.5000 | | | |
| 3 | 1 | T | ANDREW SHPX2-23B | | V | 40.5000 | 221.5000 | | |
| 3 | 2 | R | ANDREW SHPX2-23B | | | 40.5000 | | | |
| 4 | 1 | T | ANDREW SHPX2-23B | | H | 40.5000 | 221.5000 | | |
| 4 | 2 | R | ANDREW SHPX2-23B | | | 40.5000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-10 | WRZM404 | LIMOD |
| 2024-01-25 | WRZM404 | LIAUA |
| 2023-11-17 | WRZM404 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4843821 | 2026-08-02 02:47:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRZM404 | ULS 4843821 | 2026-08-02 02:47:19 |
| Status | A | ULS 4843821 | 2026-08-02 02:47:19 |
| Service | CF | ULS 4843821 | 2026-08-02 02:47:19 |
| Grant Date | 2023-11-17 | ULS 4843821 | 2026-08-02 02:47:19 |
| Expiration Date | 2033-11-17 | ULS 4843821 | 2026-08-02 02:47:19 |