S P E C I A L P U R P O S E 148/222 MHz Rugged Low Profile Silhouette High Band Antenna Model ASP-574 Series Rugged high impact molded ASA radome provides high degree of protection from hostile environments Performance when mounted on flat surface, maximum radiation is vertical and omnidirectional Versatile field tunable for selective operation Maximum Dependability for railroad, bus, police, fire and other critical communications applications Electrical Frequency Range Gain VSWR Power Bandwidth Impedance Pattern Mechanical Antenna Material Radome Material Cable Connector Dimensions Height: Length: Width: Mounting Specifications 148-160 MHz ASPB574 160-174 MHz ASPC574 220-222 MHz ASPH574 Unity 2:1 100 Watts 0.5 MHz ASPB574 and ASPC574 3 MHz ASPH574 50 ohms Omnidirectional when roof mounted; ground plane dependent Copper clad steel White high-impact molded ASA Not furnished (see SYSTEM ACCESSORIES CABLES & KITS section) SO-239 ASPB574, ASPC574 Bulkhead SO-239 ASPH574 4.1 inches (10.4 cm) 17 inches (42.9 cm) 3.25 inches (8.3 cm) Screws and weatherproof gasket supplied About Power Rating . . . Power Rating is the maximum power which can be applied to an antenna without degrading its performance so that stated specifications are not met. a.) Intermittent - the antenna is subjected to 1 minute transmit at the specified rated power then 4 minutes off for 4 hours. After completion of the four hour period, there are 3 cycles of 5 minutes of transmit at the rated power followed by 15 minutes off. b.) Continuous - the antenna is subjected to 4 hours continuous power at the specified rated power. w w w . a n t e n n a . c o m 23 ASP-574 (R)Stripes of Quality