Bird - The RF Experts
89-70-27A
89-70-27A, 450-470 MHz, Preselector
89-70-27A

89-70-27A, 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.
89-70-27A, 450-470 MHz, Preselector
89-70-27A
product specifications:
Item No
89-70-27A
Item Name
450-470 MHz, Preselector
RF Power
Receive Only
Number of Cavities-Resonators
8-Resonator
Pass Bandwidth
4 MHz
Frequency Range
450-470 MHz
Specification Bandwidth
4 MHz
Typical Insertion Loss
2.5 dB
Max Insertion Loss at Passband Edge
4 dB
Typical Selectivity
40 dB @ ± 3.0 MHz
Return Loss
12 dB
VSWR
1.66:1
Temperature Range
-30 to +60 °C
Connectors
N
Dimensions H x W x D
7" x 19" x 10"
(178 x 483 x 254 mm)
Mounting
19" EIA Rack Mount
Shipping Weight
13 lbs. (5.9 kg)