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| (R) assuredcommunicationsTM RF-1941/ RF-1940 SERIES HF MANPACK, PORTABLE DIPOLE ANTENNA The RF-1941/RF-1940 Series are lightweight, portable dipole antennas designed for use in the 2 to 30 MHz range with a maximum power of 500 Watts. The antenna is stored on selfcontained flat spools, which form an integral part of the antenna. During operation, unwind to frequency marker and deploy; the unused portion remains on the storage spool. Each spool also contains throwing line that can be connected to masts, trees, buildings, poles, etc. The RF-1941/RF-1940 Antenna series can be connected directly to the AN/PRC-138, AN/PRC-150, or RF-5800H manpack, using the manpack's built-in antenna coupler for ALE operation. The antenna design can be configured as a dipole, sloping dipole, sloping V, or as a vertical rhombic antenna depending on support and terminations (none are supplied). It includes a 10-meter, 50 coaxial cable with BNC male connectors. A BNC-to-Type N adapter is also included. The RF-1941 is completely contained in a heavy duty 6" x 12" x 3" OD bag with strap and clip points to attach to a military ruckpack. The RF-1941 is more rugged than the low cost RF-1940. Specifications for the RF-1941 / RF-1940 Series Electrical I Frequency Range 2.0 to 30 MHz (RF-1941) 3.0 to 30 MHz (RF-1940) I RF Power Capacity 500 Watts (2.0 MHz to 30 MHz) I Input Impedance 50 ohms (nominal) I Radiation Pattern See below I Polarization Horizontal (Dipole Configuration) I VSWR <1.5:1 I Gain -6 to 6 dBi depending on mounting configuration and frequency Mechanical I RF Connector BNC, male (BNC-to-Type N Adapter included) I RF Coaxial Cable RG-58 (10 meters) I Deployed Dimensions 74.6 m, fully extended (RF-1941) 46.4 m, fully extended (RF-1940) 34 cm x 17 cm x 7 cm, stored I Weight Approximately 2.3 kg (5.0 lbs) I Color Olive Drab Green Features I Reconfigurable - Dipole - Sloping dipole* - Sloping V* - Vertical Rhombic* I Compact storage on custom bag (RF-1941) I Light weight/Small package I Low-cost (RF-1940) I Compatible with ALE when radio has tuner Environmental I Temperature Operating; -25 to +55C Storage; (-40 to 70C) I Relative Humidity 0 to 100% * Termination resistors not included Radiation Patterns Over Average Ground 16 MHz 8 MHz 4 MHz 2 MHz Throwing Line Manpack 0 Frequency Selected Length Storage Spool 50 Coaxial Cable -90 90 Fan Dipole Configuration Not to scale 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 Copyright (c) 2005 Harris Corporation 8/05 DS-291A assuredcommunicationsTM |
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