Coax Switches

DowKey Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. DowKey quality, a good choice for the station.
Used * No longer available for export
MFR: Dow-Key Company
SKU: DK78-0304-P

• Typical Operating Values
• Connectors: N-Type (F)
• Frequency Range: DC - 10 GHz
• RF Voltage: 500 Volts rms (max)
• Attenuation to Unused Channel: 75 dB
• Dent on center connection (does not affect transmission)

Used * No longer available for export
MFR: Bird Electronics
SKU: 7441-D

Early version of the 78-0304 switch.
Used * No longer available for export
MFR: Dow Key, USA
SKU: DK78-3-P

Early version of the 78-0204 switch.
Used * No longer available for export
MFR: Dow Key, USA
SKU: DK78-2-P

DowKey Series 78 selector switches are conservatively rated 1000w @ 50 MHz to 450w @ 450 MHz and 60 dB minimum isolation. DowKey quality, a good choice for the station.

Clean Good condition with some cosmetic wear
Used * No longer available for export
MFR: Dow-Key Co, USA
SKU: 78-0204-P

Note: Picture for reference only

Load Rating: 500 Watts Max up to 1000Mhz
VSWR: 1.25 to 1 max from 0-470Mhz
Cross talk: 40 DB min. for 0 to 470Mhz
Dielectric Strength: 1000 volts RMS at sea level
Insulation Resistence: 1000 Megaohms min.
Connectors: UHF

Used * No longer available for export
MFR: Magnecraft
SKU: 128X-62

Type: SMA
Input: TTL 
Outputs: +5 , +28 and COM
One Dummy Load included
New Old Stock * No longer available for export
MFR: DB Products
SKU: TSF2TE01

Used * no longer available for export
MFR: Dynatech
SKU: T4-419E015-P

• Impedance: 50 Ohms
• Switching Time: 15 mS Max.

Used * No longer available for export
MFR: RLC Electronics
SKU: SR-6min-D-P