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stacking systems
A silver-plated relay contact point makes for smooth traveling and more reliable contact between the pot strip and wiper arm gives years longer life on these important
Grid Overload Protection protects the tubes from excessive grid current due to mistuning and it protects against excessive drive power
The MFJ-1722 has a dual band UltraLite ⅝ Wave on 440 MHz
H Plane: 48
MFJ-1708B, RF SENSING, TR SWITCH 3800500 stacking systemsMFJ RF Sense Transmit Reveive Switch Replaced the MFJ 1708 Switches your antenna from receiver to transmitter using a relay. Shorts your receiver to ground during transmit. Use RF sensing with adjustable delay or PTT line. Has selectable open short mute. RF Sensing for radios that do not have a keying output when transmitting Good isolation between transmit and receive ports. Good SWR characteristics up to 450MHz Receiver protection circuit to limit
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