Universal Licensing System
WNZB557
COMPRESSION LABS INC
License details
| ULS identifier | 1695177 |
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| Call sign | WNZB557 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 1997-04-16 |
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| Expiration | 2002-04-16 |
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| Cancellation | 2002-08-18 |
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| Frequency range | 464.5 - 469.8625 MHz (6 frequencies) |
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| Locations | 2 |
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| Representative location | SANTA CLARA, CA |
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| Coordinates | 37.3332778, -121.8843889 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:28:29 |
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Licensee
| Name | COMPRESSION LABS INC |
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| Applicant type | C |
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| Location | SAN JOSE, CA |
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| Address | 350 E PLUMERIA DR, SAN JOSE, CA, 951341911 |
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| Phone | 4089224602 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 2 | 1 | MOI | 464.50000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MOI | 464.55000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 464.86250000 | | | 2.000000 | 2.000000 | |
| 2 | 1 | MOI | 469.50000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MOI | 469.55000000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 469.86250000 | | | 2.000000 | 2.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 464.50000000 | | 20K0F3E |
| 2 | 1 | 464.55000000 | | 20K0F3E |
| 1 | 1 | 464.86250000 | | 20K0F3E |
| 2 | 1 | 469.50000000 | | 20K0F3E |
| 2 | 1 | 469.55000000 | | 20K0F3E |
| 1 | 1 | 469.86250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SANTA CLARA, CA | 37.33327778, -121.88438889 | | | | |
| 2 | T | US | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 2860 JUNCTION AVE, SAN JOSE, CA | | 4089224602 |
License history
| Date | File or call sign | Action |
|---|
| 2002-08-18 | WNZB557 | LIEXP |
| 2002-01-22 | WNZB557 | LETRES |
| 2000-11-23 | WNZB557 | LICCNV |
| 1997-08-18 | WNZB557 | AUTHPR |
| 1997-05-22 | WNZB557 | LIDUP |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1695177 | 2026-08-02 01:28:29 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WNZB557 | ULS 1695177 | 2026-08-02 01:28:29 |
| Status | E | ULS 1695177 | 2026-08-02 01:28:29 |
| Service | IG | ULS 1695177 | 2026-08-02 01:28:29 |
| Grant Date | 1997-04-16 | ULS 1695177 | 2026-08-02 01:28:29 |
| Expiration Date | 2002-04-16 | ULS 1695177 | 2026-08-02 01:28:29 |
| Cancellation Date | 2002-08-18 | ULS 1695177 | 2026-08-02 01:28:29 |