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Ramsey PR40 Low Cost 440 MHz Receiver Preamplifier Kit | 
| Brand: Ramsey
Buy New: $13.95
Shipping Weight (lbs): 0.1
MPN: PR40
UPC: 871183000978
EAN: 0871183000978
Availability: Usually ships in 1-2 business days
Condition: Factory Authorized Distributor.
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| Features:
| • | Turbo-Charge your radio!! 440 MHz band | | • | Low noise (typically < 1 to 1.5dB)! | | • | High Q tuned circuits (very narrow band)! | | • | Prevent out-of-band signals from overloading front-end | | • | Electronic kit, assembly required |
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| Editorial Reviews:
Product Description
Put some new "ears" on your rig with one of these hot little preamp kits. Their high gain combined with low noise will improve most any receiver. Fully protected against overload and designed for low current and stable operation they employ high Q tuned circuits which restrict out-of-band signals which can cause intermod blanking and overload of your radio's front-end. Don't be misled by GaAs FET claims! The cheap dual-gate FETs (manufactured for TV tuner usage!) used by others just don't come close to the performance of these preamps designed with NEC microwave transistor devices. Gain is typically 16 to 20 dB and noise figure is 1 dB @ 2 Meters, 1.2 dB @ 220 MHz, and 1.4 dB @ 440 MHz. Compact design for easy installation into most any rig. Operates on 12 to 15 VDC . Size: 1" x 3/8" x 1 1/2".
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