Exhibit 3

0010-EX-PL-1998 Text Documents

Alligator Communications, Inc.

2002-03-11ELS_54222

/— —_ OGB9—900 SCALA PROFESSIONAL ANTENNA SYSTEMS FOR OMNIDIRECTIONAL ANTENNA 9 dBd gain BROADCAST AND COMMUNICATIONS 890—960 MHz (broadband) The Scala OGB9—900 is a broadband center—fed collinear antenna designed for professional fixed—station applications in the 890— 960 MHz band. The careful selection of materials and € 114TIXH (es4isAdo) conservative electrical and mechanical design result in high performance and long service life in all types of adverse environmental conditions. The OGB9—900 features a heavy aluminum base casting, stainless steel V—bolits and a rugged gray fiberglass radome to protect the precision radiator assembly. Specifications: Frequency range 890—960 MHz (broadband) H—plane Horizontal pattern — V—polarization Gain 9 dBd Impedance 50 ohms For offset pattern, use with RFL—2A. VSWR <1.5:1 See page D 2. Polarization Vertical Maximum input power 500 watts H—plane beamwidth Omni E—plane beamwidth 6.5 degrees (half—power) Termination N or 7/16 DIN female Weight 15 ib (6.8 kg) Height 119.25 inches (3029 mm) Radome diameter 2 inches (50 mm) Wind survival rating 120 mph (200 kph) Equivalent flat plate area 1.31 f? (0.122 m?) Shipping dimensions 128 x 7 x 7 inches (3251 x 178 x 178 mm) Shipping weight 33 Ib (15 kg) Mounting For masts of 1.2 to 4.125 inch (30 to 105 mm) OD. See reverse for order information. E—plane Vertical pattern — V—polarization SCALA ELECTRONIC CORPORATION Post Office Box 4580 Phone: (541) 779—6500 Medford, OR 97501 (USA) Fax: (541) 779—3991 http://www.scala.net \ Scala Electronic Corporation is a member of the Kathrein Group 10049—C

0GB9—900 ~~— 4 OMNIDIRECTIONAL ANTENNA 9 dBd gain | C D 890—960 MHz (broadband) ,__,-_ | ey € 119qTUIXH (esJIioaoy) I r—— CC | % CCCE 0.0@ @\ C °‘¢@\ *A 119.25 inches [T (3029 mm) 125 inches C J (3175 mm) [CC—CL Mounting Options: Description A Mounting for 2.6 to 4.125 inch (65 to 105 mm) OD mast B Mounting for 1.2 to 2.5 inch (30 to 64 mm) OD mast C C CCC | Order Information: mJ Model Description Stock Code OGB3—900N Antenna with N termination 65154—001 ©GB9—900NU Antenna with N termination 65154—002 For inverted installation C 0GB9—900D Antenna with 7/16 DIN termination 65154—003 0GB9—900DU Antenna with 7/16 DIN termination 65154—004 For inverted installation t~To SCALA ELECTRONIC CORPORATION Post Office Box 4580 Phone: (541) 779—6500 "~po Medford, OR 97501 (USA) Fax: (541) 779—3991 http://www.scala.net . °0 All %pecifications are subject to change without notice


Document Created: 2002-03-11 07:28:37
Document Modified: 2002-03-11 07:28:37
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