Universal Licensing System
WIM351
ESP Wireless Technology Group, Inc.
License details
| ULS identifier | 1645404 |
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| Call sign | WIM351 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2005-03-10 |
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| Expiration | 2015-04-24 |
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| Cancellation | 2015-06-27 |
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| Frequency range | 472.2375 - 475.2375 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8789167, -87.6361389 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:21 |
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Licensee
| Name | ESP Wireless Technology Group, Inc. |
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| Applicant type | C |
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| FRN | 0008725681 |
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| Location | Warrenville, IL |
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| Address | 27475 Ferry Road, Warrenville, IL, 60555 |
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| Phone | 7084858930 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB6 | 472.23750000 | | | 100.000000 | 250.000000 | |
| 6 | 1 | MO | 472.23750000 | | | 50.000000 | 50.000000 | |
| 5 | 1 | FX1T | 475.23750000 | | | 50.000000 | 50.000000 | |
| 6 | 1 | MO | 475.23750000 | | | 50.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.23750000 | | 11K2F2D |
| 1 | 1 | 472.23750000 | | 11K2F3E |
| 1 | 1 | 472.23750000 | | 20K0F1D |
| 1 | 1 | 472.23750000 | | 15K0F2D |
| 1 | 1 | 472.23750000 | | 20K0F3E |
| 1 | 1 | 472.23750000 | | 11K2F1D |
| 6 | 1 | 472.23750000 | | 20K0F3E |
| 6 | 1 | 472.23750000 | | 11K2F1D |
| 6 | 1 | 472.23750000 | | 15K0F2D |
| 6 | 1 | 472.23750000 | | 11K2F2D |
| 6 | 1 | 472.23750000 | | 11K2F3E |
| 6 | 1 | 472.23750000 | | 20K0F1D |
| 5 | 1 | 475.23750000 | | 20K0F1D |
| 5 | 1 | 475.23750000 | | 11K2F2D |
| 5 | 1 | 475.23750000 | | 11K2F3E |
| 5 | 1 | 475.23750000 | | 15K0F2D |
| 5 | 1 | 475.23750000 | | 20K0F3E |
| 5 | 1 | 475.23750000 | | 11K2F1D |
| 6 | 1 | 475.23750000 | | 20K0F1D |
| 6 | 1 | 475.23750000 | | 11K2F1D |
| 6 | 1 | 475.23750000 | | 15K0F2D |
| 6 | 1 | 475.23750000 | | 11K2F3E |
| 6 | 1 | 475.23750000 | | 11K2F2D |
| 6 | 1 | 475.23750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | SEARS TOWER, CHICAGO, COOK, IL | 41.87891667, -87.63613889 | 181.000 m | B | 438.000 m structure / 522.000 m overall | N |
| 5 | T | | | | | | N |
| 6 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 366.000 m | | | | 369.000 | |
| 1 | 5 | T | | | | | | | |
| 1 | 6 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 8330 South Madison Street, Ste 15, Burr Ridge, IL | DUPAGE | 7084858930 |
License history
| Date | File or call sign | Action |
|---|
| 2015-06-27 | WIM351 | LIEXP |
| 2015-01-26 | WIM351 | LETRES |
| 2010-12-14 | WIM351 | LIAUA |
| 2010-12-14 | WIM351 | LTSAPR |
| 2008-11-11 | WIM351 | LIAUA |
| 2008-11-11 | WIM351 | LTSAPR |
| 2006-03-02 | WIM351 | LTSAPR |
| 2006-03-01 | WIM351 | LIAUA |
| 2005-03-10 | WIM351 | LIREN |
| 2005-01-20 | WIM351 | LIASS |
| 2005-01-07 | WIM351 | ESCAPR |
| 2003-09-29 | WIM351 | LIMOD |
| 2002-03-11 | WIM351 | AUDOPR |
| 2001-06-12 | WIM351 | LIMOD |
| 2000-11-23 | WIM351 | LICCNV |
| 2000-05-09 | WIM351 | LIREN |
| 2000-05-09 | WIM351 | AUTHPR |
| 2000-01-21 | WIM351 | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1645404 | 2026-08-02 01:16:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WIM351 | ULS 1645404 | 2026-08-02 01:16:21 |
| Status | E | ULS 1645404 | 2026-08-02 01:16:21 |
| Service | IG | ULS 1645404 | 2026-08-02 01:16:21 |
| Grant Date | 2005-03-10 | ULS 1645404 | 2026-08-02 01:16:21 |
| Expiration Date | 2015-04-24 | ULS 1645404 | 2026-08-02 01:16:21 |
| Cancellation Date | 2015-06-27 | ULS 1645404 | 2026-08-02 01:16:21 |