Logic controlled Antenna/Radio Selector Unit

225 to 512 MHz

SKU: 21-80-126

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Logic controlled Antenna/Radio Selector Unit

The 21-80-126 Logic Controlled Antenna/Radio Selector Unit is intended for use in radio systems requiring the connection of up to two antennas and up to two radios with the ability to configure the radios and antennas interchangeably. The unit is constructed from aluminium alloy as a box and a lid. The box part is flanged with mounting holes for attachment to the airframe

21-80-126
Model # 21-80-126
Brand Cooper Antennas
Frequency

225 to 512 MHz 

VSWR ≤ 1.25:1 
Impedance (nominal) 50 Ohms
Power 20 Watts CW
Insertion Loss ≤ 0.5 dB
Isolation ≥ 30 dB 
RF Power  75 Watts average power; 200 watts peak power
Operating Voltage  28 VDC 
Operating Current  Shall not exceed 250 milliamps
Identity Pin 9 of J5 will connect to an internal 1.43 kΩ resistor connected to ground to provide the identity of the unit. 
Switching speed  ≤ 5 msec
RF Connectors  4 x TNC Female 
Test Point SMA
DC Connector  MS27513E10B35P
Dimensions 1.25 x 2.0 x 5.5 inches (31.7 x 50.8 x 140 mm) 
Weight

1.10 lbs (0.5kg) 

Fixing Holes  8 x Ø 10:32 UNF holes or similar 
ENVIRONMENTAL
Temperature 4 hole 

Finish

  • Antenna - Lusterless Grey FED-STD-959 36270 
  • Other finish options are available.
  • Please specify finish required when ordering.
Datasheet:

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