Universal Licensing System
WRMB543
DMwireless Inc.
License details
| ULS identifier | 4423135 |
|---|
| Call sign | WRMB543 |
|---|
| Radio service | MG |
|---|
| Status | A |
|---|
| Grant date | 2021-03-16 |
|---|
| Expiration | 2031-03-16 |
|---|
| Frequency range | 17820 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | MAYAGUEZ, MAYAGUEZ, PR |
|---|
| Coordinates | 18.1847778, -67.1109722 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:03 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 1 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17820.00000000 | | | | | |
| 1 | 2 | FXO | 17820.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 1 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
| 1 | 2 | 17820.00000000 | | 80M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CARR 349 KM 8.1 CERRO LAS MESAS, MAYAGUEZ, MAYAGUEZ, PR | 18.18477778, -67.11097222 | 266.700 m | MAST | 76.500 m structure / 80.200 m overall | |
| 2 | R | | 18.31577778, -67.17952778 | 355.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | CommScope VHLP3-18 | | V | 43.5000 | 333.6000 | | |
| 1 | 2 | R | CommScope VHLP3-18 | | | 43.5000 | | | |
| 2 | 1 | T | CommScope VHLP3-18 | | H | 43.5000 | 333.6000 | | |
| 2 | 2 | R | CommScope VHLP3-18 | | | 43.5000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-03-16 | WRMB543 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4423135 | 2026-08-02 02:47:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMB543 | ULS 4423135 | 2026-08-02 02:47:03 |
| Status | A | ULS 4423135 | 2026-08-02 02:47:03 |
| Service | MG | ULS 4423135 | 2026-08-02 02:47:03 |
| Grant Date | 2021-03-16 | ULS 4423135 | 2026-08-02 02:47:03 |
| Expiration Date | 2031-03-16 | ULS 4423135 | 2026-08-02 02:47:03 |