Universal Licensing System
WPSZ643
MICREL SEMICONDUCTOR, INC.
License details
| ULS identifier | 2343419 |
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| Call sign | WPSZ643 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2011-09-15 |
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| Expiration | 2021-08-14 |
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| Cancellation | 2021-10-16 |
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| Frequency range | 451.8 - 469.55 MHz (8 frequencies) |
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| Locations | 2 |
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| Representative location | SAN JOSE, SANTA CLARA, CA |
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| Coordinates | 37.4007500, -121.8944167 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:02 |
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Licensee
| Name | MICREL SEMICONDUCTOR, INC. |
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| Applicant type | C |
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| FRN | 0005750922 |
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| Location | SAN JOSE, CA |
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| Address | 1931 FORTUNE DRIVE, SAN JOSE, CA, 951311724 |
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| Phone | 4089551694 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | MOI | 451.80000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 456.80000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | FB2 | 464.18750000 | | | 25.000000 | 25.000000 | |
| 1 | 1 | MOI | 464.50000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 464.55000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | MO | 469.18750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 469.50000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MOI | 469.55000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.80000000 | | 20K0F3E |
| 1 | 1 | 451.80000000 | | 11K2F3E |
| 1 | 1 | 456.80000000 | | 20K0F3E |
| 1 | 1 | 456.80000000 | | 11K2F3E |
| 2 | 1 | 464.18750000 | | 11K2F3E |
| 1 | 1 | 464.50000000 | | 20K0F3E |
| 1 | 1 | 464.50000000 | | 11K2F3E |
| 1 | 1 | 464.55000000 | | 11K2F3E |
| 1 | 1 | 464.55000000 | | 20K0F3E |
| 3 | 1 | 469.18750000 | | 11K2F3E |
| 1 | 1 | 469.50000000 | | 20K0F3E |
| 1 | 1 | 469.50000000 | | 11K2F3E |
| 1 | 1 | 469.55000000 | | 11K2F3E |
| 1 | 1 | 469.55000000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | CA | | | | | |
| 2 | T | 1931 FORTUNE DR, SAN JOSE, SANTA CLARA, CA | 37.40075000, -121.89441667 | 14.300 m | BANT | 8.000 m structure / 12.000 m overall | N |
| 3 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | | | | | | | | |
| 1 | 2 | | | 12.000 m | | | | -101.000 | |
| 1 | 3 | | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1931 FORTUNE DR, SAN JOSE, CA | SANTA CLARA | 4089551694 |
License history
| Date | File or call sign | Action |
|---|
| 2021-10-16 | WPSZ643 | LIEXP |
| 2021-05-24 | WPSZ643 | LETRES |
| 2011-09-15 | WPSZ643 | LIREN |
| 2011-08-19 | WPSZ643 | ESCAPR |
| 2011-08-18 | WPSZ643 | ESUAPR |
| 2011-08-18 | WPSZ643 | EFUAPR |
| 2011-05-23 | WPSZ643 | LETRES |
| 2006-01-30 | WPSZ643 | LETCNS |
| 2005-05-04 | WPSZ643 | LIMOD |
| 2002-05-13 | WPSZ643 | LETCNS |
| 2001-08-14 | WPSZ643 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2343419 | 2026-08-02 01:14:02 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WPSZ643 | ULS 2343419 | 2026-08-02 01:14:02 |
| Status | E | ULS 2343419 | 2026-08-02 01:14:02 |
| Service | IG | ULS 2343419 | 2026-08-02 01:14:02 |
| Grant Date | 2011-09-15 | ULS 2343419 | 2026-08-02 01:14:02 |
| Expiration Date | 2021-08-14 | ULS 2343419 | 2026-08-02 01:14:02 |
| Cancellation Date | 2021-10-16 | ULS 2343419 | 2026-08-02 01:14:02 |