2M18XXX 18el. Yagi / M2 ANTENNA SYSTEMS
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16 990 Kč / kus vč. DPH (14 041 Kč bez DPH)
MSQUARE 144-146MHz; 18el.; 17.14dBi; E26° H28°; 26dBF/B; SWR1.2typ; Boom11m; 7kg; 50Ohm
Frequency Range 144 To 146 MHz
Gain for 1 / 2 / 4 ant. 17.14 / 20.14 / 23.14 dBi
Front to Back 26 dB Typical
Beam Width E=26° H=28°
Feed Type "T" Match
Feed Impedance 50 Ohms Unbalanced
Max VSWR 1.2:1
Input Connector "N" Female
Boom Length / Dia 36.5' / 1-1/2" To 3/4"
Max Element Length / Dia 41"
Turning Radius 19' 6"
Stacking Distance 14' High & 14.5' Wide
Mast Size 2" Nom.
Wind area / Survival 2.9 Sq. Ft. / 100 MPH
Weight / Ship Wt 14 Lbs. / 16 Lbs.
The 2M18XXX has been extensively used by many moonbouncers and other weak signal enthusiasts for the last eight years. The clean, sharp pattern yields a very good G/T (gain/temperature in K) which, in everyday language, means you hear more signal and less noise. It is ideal as a single antenna or in stacked arrays of 24 or more antennas, yielding a full 6 dB of stacking gain for four antennas! Mechanically, the boom is strong in the middle and tapered in 1/4” steps to reduce weight and wind area. M2 has integrated the computer optimized design with the unique driven element module. The aluminum CNC machined housing features “O” ring seals on all three connectors and internal connections are potted in silicon gel than enhances the power handling capability. That is important to those who feel life is too short for QRP (Low power)! All hardware is stainless except the U-bolts. By all standards the “18XXX” is a true thoroughbred among VHF antennas!