RAMI254EXT-LB3 antenna outside


Ground Based Communications

The RAMI254EXT-LB is a replacement for the OE-254/GRC Antenna Group. It is comprised of fewer piece parts, allowing for quicker assembly and erection, along with being capable of VHF, UHF, and L-Band operation modes. It can be deployed atop its 27 foot mast (RAMI5008-FG) or utilized on the ground standing on its tripod base (RAMI2210). It is manufactured to meet the mechanical and environmental specifications as called out in MIL-PRF-49204 (OE-254/GRC specification). The antenna comes complete with two 40 foot LMR-400 transmission lines with an in line adapter (antenna to diplexer) and two 5 foot RG-223 transmission lines (diplexer to radio set). Additional components for full assembly and erection (mast or ground deployment) are included in the transit bag.

Product Specifications
Application Ground Based Communications
Frequency 30-512 MHz,
550-2000 MHz
Impedance50 Ohms Nominal
Gain30- 88 MHz: -7.0 dBi to -1.0 dBi
108-156 MHz: > -6.0 dBi
225-512 MHz: > -4.0 dBi
700-1350 MHz: > -2.0 dBi
1350-1850 MHz: > 0.0 dBi
1850-2000 MHz: > -1.5 dBi
VSWR3.5:1 Maximum
Connector“N” type female at antenna feed point
RF Power Handling100 Watts CW
Max. Weight45 lbs.
ColorCARC Green w/ Black Mast
CARC Tan w/ Black Mast
CARC Black w/ Black Mast
Support Documents
Install InstructionsView

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