Universal Licensing System
WSIR231
T-Mobile MW LLC
License details
| ULS identifier | 5149086 |
|---|
| Call sign | WSIR231 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2025-06-10 |
|---|
| Expiration | 2035-06-10 |
|---|
| Frequency range | 19380 - 19460 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Cambridge, MIDDLESEX, MA |
|---|
| Coordinates | 42.3590278, -71.0873333 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:34 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 2 | FXO | 19380.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
| 1 | 1 | FXO | 19460.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 2 | 19380.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
| 1 | 1 | 19460.00000000 | | 74M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Ames St and Memorial Dr, Cambridge, MIDDLESEX, MA | 42.35902778, -71.08733333 | 3.000 m | MTOWER | 18.300 m structure / 18.300 m overall | |
| 2 | R | | 42.36027778, -71.07111111 | 3.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ERICSSON BFZ 622 31/3D06H | | H | 34.3000 | 84.1000 | | |
| 1 | 2 | R | ERICSSON BFZ 622 31/3D06H | | | 34.3000 | 0.0000 | | |
| 2 | 1 | T | ERICSSON BFZ 622 31/3D06H | | V | 34.3000 | 84.1000 | | |
| 2 | 2 | R | ERICSSON BFZ 622 31/3D06H | | | 34.3000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-02-12 | WSIR231 | LIASS |
| 2025-06-10 | WSIR231 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5149086 | 2026-08-02 02:46:34 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIR231 | ULS 5149086 | 2026-08-02 02:46:34 |
| Status | A | ULS 5149086 | 2026-08-02 02:46:34 |
| Service | CF | ULS 5149086 | 2026-08-02 02:46:34 |
| Grant Date | 2025-06-10 | ULS 5149086 | 2026-08-02 02:46:34 |
| Expiration Date | 2035-06-10 | ULS 5149086 | 2026-08-02 02:46:34 |