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4 channel CP02258 with 2 channel CP02259 expansion


CP02258, 400-420 MHz, Combiner with DPM

  • Base 4-channel combiner with integrated antenna power monitor, 2 channel expansion available
  • Compact, 7RU form for space efficiency
  • High performance, low insertion loss
  • Integrated power monitor shows forward & reflected power, antenna VSWR, heat sink temperature & generates alarms on high VSWR and high temperature
  • Other bands in 380-512 MHz range on request (20 MHz tuning range)



  • 2 channel expansion model number: CP02259





Combiner Specifications 
Frequency Range400-420 MHz
Minimum Freq Separation150 kHz
Maximum Continuous Transmit Power100 W/ channel
Insertion Loss, 4 ch.3.4 dB (typ)
Insertion Loss, 8 ch.4.0 dB (typ)
Tx-Tx Isolation >60 dB
Input Return Loss (VSWR)>20 dB (1.2:1)
Output Return Loss (VSWR)>10 dB (1.9:1)
Temperature Range-30° to 60° C
Dimensions, 4 ch (HWD)7RU x 19” x 14”
Dimensions, 2 ch (HWD)4RU x 19” x 14”
Input ConnectorsN
Output Connectors7-16
Weight, 4 ch40 lbs
Weight, 2 ch20 lbs


Power Monitor Specifications 
Power Supply Interfaces110V/230V
Integrated web-server
Inputs Temperature sensors
Functions and AlarmsCavity Tuning
Forward power (per cavity)
Reflected power (per cavity)
Antenna VSWR (per cavity)
FeaturesHeat sink temperature
Firmware update
Factory test data
Alarm OutputDry Contact Alarm