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| (R) assuredcommunicationsTM RF-398-01 VHF LOW-BAND VERTICAL MONOPOLE ANTENNA a vertically polarized vehicular antenna The RF-398-01 Low Profile Vehicular VHF Antenna is a broadband (30 to 90 MHz), vertically polarized, end-fed monopole antenna designed for applications where short antenna length or antenna concealment is important. Operating over the 30 to 90 MHz frequency range, the internal matching network maintains a VSWR of less than 3.5:1 without a tuner or band switching. The RF-398-01 is a low-profile EMP protected, vehicular antenna. The feed-through spring mounts directly to a RF-292 Universal Antenna Mount. Order the RF-292 separately for vehicular mounting. Specifications for the RF-398-01 Electrical I Frequency Range 30 to 90 MHz I Polarization Vertical I Impedance 50 ohms (nominal) I VSWR Less than 3.5:1 (per MIL-A-49283) I Gain -5.8 dB at low end of band, gradually increasing to -1.7 dB at high end of band (per MIL-A-49283) I Power Rating 70 Watts I Matching Circuit Passive, broadband I Radiation Pattern Omnidirectional Environmental I Salt Spray Salt spray resistant Mechanical Height 1.9 m (74.7 in) Weight 2.3 kg (5 lbs)) RF Connection BNC female Bolt-Hole Pattern Four 0.5 inch holes spaced on a 4.5 inch bolt-hole circle Construction Two piece construction: I Passivated stainless steel element -- 0.20 inch (0.51 cm) at base tapering to 0.10 inch (0.25 cm ) at tip. I Reinforced polyester fiberglass mount with spring. Features I I I I I I I Short length Thin radiating element Matching Network Built-In 70 Watt capability High voltage isolation Standard Universal Mounting Full MIL-SPEC design RF-398-01 Mechanical Details .20 in. (.51 cm) Dia. Nom RF-398-01 Antenna Mounting Detail for mounting without RF-292 Universal Antenna Mount 70.0 in. (178 cm) Stainless Steel Whip, Passivated 4.5 IN. 11.43 CM 3.5 IN. 8.89 CM .375 IN. .953 CM (4 HOLES) .20 in. (.51 cm) Dia. Nom Collet Stainless Steel Spring, Flat Black Reinforced Polyester Fiberglass Insulator, Forest Green Color 4.7 in. (11.9 cm) Nom. Hex Bolt Broadband Network housing, Aluminum, Forest Green Color 3.375 in. (8.6 cm) Dia. Nom. Ground Strap Assembly Washers Hex Nut BNC Female Connector Rubber Gasket 3.06 in. (7.8 cm) Nom. Specifications are subject to change without notice. (R) RF Communications Division | 1680 University Avenue | Rochester, NY USA 14610 www.harris.com 1-585-244-5830 assuredcommunicationsTM (c) Copyright 2005 Harris Corporation 8/05 DS-261A |
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