Bird - The RF Experts
89-70-24A
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89-70-24A

89-70-24A, 450-470 MHz, Preselector
Bird has designed application-specific multi-cavity and combline filter products for use in limiting the bandwidth in front of a multiple-receiver system (Preselector) or after a multiple-transmitter system (Post Selector).

  • Several models available to match your specific application.
  • All filters are factory tuned to meet specific frequency channel requirements
  • Temperature compensation keeps product tuned to specification from -30 to +60° C.
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89-70-24A
product specifications:
Item No
89-70-24A
Item Name
450-470 MHz, Preselector
RF Power
Receive Only
Number of Cavities-Resonators
3 x 2"
Pass Bandwidth
1.0 MHz
Frequency Range
450-470 MHz
Specification Bandwidth
1.0 MHz
Typical Insertion Loss
2.5 dB
Max Insertion Loss at Passband Edge
3.1 dB
Typical Selectivity
45 dB @ ± 5.0 MHz
Return Loss
17 dB
VSWR
1.32:1
Temperature Range
-30 to +60 °C
Connectors
BNC
Dimensions H x W x D
2" x 19" x 8.75"
(51 x 483 x 222 mm)
Mounting
19" EIA Rack Mount
Shipping Weight
3 lbs. (1.4 kg)