RADIODAN W7RF
Landwehr

mast mounted RF preamps

See more pictures & inside views

Prices shown are for the used reconditioned units.

OUT OF STOCK ON ALL UNITS UNTIL FURTHER NOTICE!

These are the finest quality preamps available!
144 MHz $175, 220 MHz $175, 432 MHz $195 GaAs FET mast mounted preamps

Frequency range for guaranteed specs: 144-146 mhz, 222-225 mhz, 430-450 mhz
Stability: unconditional, will not oscillate
Intermodulation performance: Third order intercept point -3 DBM (output intercept point +17 DBM)
Gain: 144 mhz 17-20 DB, 220 mhz 17-20 DB, 432 16-19 DB
Noise Figure: 144 mhz <.7, 220 <.9, 432 <1.1 db
Power supply: 12-14 VDC @ 100 ma 144/220 mhz, 180 ma 432 mhz
Vox operation: vox switching automatic up to 150W pep
Vox decay time: .8 second
PTT operation: Grounding pin 2 or supplying 5-14 VDC to pin 1of accy connector will hard key the relay allowing up to 144 mhz 750 watts, 220 mhz 500 watts, 432 mhz 350 watts.
Connectors: RF type "N", accy 5 pin
Clamps for mast mount up to 63 mm
Comments: waterproof aluminum box, hot dipped galvanized u-bolts, stainless steel screws.
USED/RECONDITIONED units carry a 6 month warranty
Repair parts: We only carry the GAasfet's at $19 each shipped USA (specify your band)
DC connector $15 shipped USA (used)
Shipping to other than USA at additional cost

For repairs, contact landwehr@le-tronic.com