Exhibit 2 Directional Antenna Data

0038-EX-PL-2005 Text Documents

TowerStream Corp.

2005-01-24ELS_68912

Exhibit 2 Page 1 of 11 Base Station And CPE Antenna Information TowerStream Corp. Las Vegas, NV The following antennas will be deployed in the proposed system: Base Station: Aperto 90° (90° beam width) and Aperto 60° (60° beam width): The base station will utilize a sectorized antenna system using up to six sectors. The specific azimuths, beam tilts and polarities for each sector will be determined and adjusted as part of the system tests. Remote/CPE: Aperto PacketWave 100 Series: This antenna has a horizontal beam width and elevation beam width of approximately 20°. All antennas will be mounted on or within existing buildings. Radiation pattern information provided by the manufacturer for these antennas is provided on the following pages. LAV1004 ComSpec

Base Station Antenna Information Exhibit 2 Page 2 of 11 Aperto 90°: Horizontal Pattern, Horizontal Polarity TowerStream Corp. Data provided by the manufacturer Las Vegas, NV P W A 3 5 0 0 - 9 0 Ho r iz o n t a l A z im u t h 0 -5 -10 -15 dB -20 -25 -30 -35 -180 -140 -100 -60 -20 20 60 100 140 180 De g r e e s 3 .5 g Hz LAV1004 ComSpec

PWA3500—90 Horizontal elevation e t w o r ks Cape rto —10 A J t —180 —140 ca——~s — m _—_—3.5 gHz en ne en o n oges ze mm ge zx

PacketWave PWA3500—90 Vertical Azimuth || ErtO ace x y a zit t e t w o r k s t <one en e en w —180 —100 —60 —20 20 60 100 140 180 nz ~ > n m oges Degrees ue aaa e gne w se

PWA3500—90 Vertical elevation ( (EJma rto e t w o r k s —5 —10 | t m ~ge~s ~ > —1 —140 —100 —60 —20 20 60 100 140 Degrees __—— 3.5 gHz ne momon m gne e w

Base Station Antenna Information Exhibit 2 Page 6 of 11 Aperto 60°: Horizontal Pattern, Horizontal Polarity TowerStream Corp. Data provided by the manufacturer Las Vegas, NV LAV1004 ComSpec

Base Station Antenna Information Exhibit 2 Page 7 of 11 Aperto 60°: Elevation Pattern, Horizontal Polarity TowerStream Corp. Data provided by the manufacturer Las Vegas, NV LAV1004 ComSpec

Base Station Antenna Information Exhibit 2 Page 8 of 11 Aperto 60°: Horizontal Pattern, Vertical Polarity TowerStream Corp. Data provided by the manufacturer Las Vegas, NV LAV1004 ComSpec

Base Station Antenna Information Exhibit 2 Page 9 of 11 Aperto 60°: Elevation Pattern, Vertical Polarity TowerStream Corp. Data provided by the manufacturer Las Vegas, NV LAV1004 ComSpec

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Document Created: 2005-01-24 17:06:11
Document Modified: 2005-01-24 17:06:11
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