Universal Licensing System
WRFN381
Sprint Spectrum LLC
License details
| ULS identifier | 4268311 |
|---|
| Call sign | WRFN381 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2020-04-01 |
|---|
| Expiration | 2030-04-01 |
|---|
| Cancellation | 2021-09-14 |
|---|
| Frequency range | 21325 MHz |
|---|
| Locations | 2 |
|---|
| Representative location | San Jose, SANTA CLARA, CA |
|---|
| Coordinates | 37.2675278, -121.8213611 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:45:41 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0G7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 101 Branham Lane E, San Jose, SANTA CLARA, CA | 37.26752778, -121.82136111 | 55.000 m | BANT | 11.000 m structure / 14.000 m overall | |
| 2 | R | | 37.27616667, -121.82625000 | 87.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SB1-220CIPN | | H | 35.8000 | 335.7000 | | |
| 1 | 2 | R | RFS SB1-220CIPN | | | 35.8000 | 0.0000 | | |
| 2 | 1 | T | RFS SB1-220CIPN | | V | 35.8000 | 335.7000 | | |
| 2 | 2 | R | RFS SB1-220CIPN | | | 35.8000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-09-15 | WRFN381 | LICAN |
| 2021-09-01 | WRFN381 | LETCNS |
| 2021-08-31 | WRFN381 | LETCNS |
| 2021-06-02 | WRFN381 | LIASS |
| 2020-06-30 | WRFN381 | LITRAN |
| 2020-04-01 | WRFN381 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4268311 | 2026-08-02 02:45:41 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFN381 | ULS 4268311 | 2026-08-02 02:45:41 |
| Status | C | ULS 4268311 | 2026-08-02 02:45:41 |
| Service | CF | ULS 4268311 | 2026-08-02 02:45:41 |
| Grant Date | 2020-04-01 | ULS 4268311 | 2026-08-02 02:45:41 |
| Expiration Date | 2030-04-01 | ULS 4268311 | 2026-08-02 02:45:41 |
| Cancellation Date | 2021-09-14 | ULS 4268311 | 2026-08-02 02:45:41 |