Bird - The RF Experts
Antenna and Cable RF Power Monitors
ACM Series Antenna Cable Monitors
Antenna and Cable RF Power Monitors

The Solution for Monitoring RF Transmission Systems


Bird’s® Antenna & Cable Monitor is the reliable solution for monitoring your RF transmission systems. Service providers and self maintained end user can depend on this monitor and alarm to keep their critical sites up and running.

Designed to detect antenna and cable faults that transmitterinternal VSWR monitors may not detect. An integral coupler with high directivity optimizes measurement accuracy. It measures small changes in antenna VSWR with high feeder and interface losses and provides accurate RF in-line power measurement functionality.

Model Selections

  • ACM Series, Serial Port
  • ACMI Series, Ethernet Port
ACM Series Antenna Cable Monitors
Antenna and Cable RF Power Monitors
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Item No
Item Name
Frequency Range
Measurement Range
Power Accuracy
Antenna and Cable Monitors
108-144 MHz
136-225 MHz
225-520 MHz
470-960 MHz
960-2400 MHz
ACM: 2.5 to 100 W
ACM500: 12.5 to 500 W
108-144 MHz, ± 8%
136-225 MHz, ± 10%
225-520 MHz, ± 8%
470-960 MHz, ± 5%
960-2400 MHz, ± 5%
Antenna and Cable Monitors (Ethernet Port)
108-144 MHz
136-225 MHz
225-520 MHz
470-960 MHz
960-2400 MHz
ACMI: 2.5 to 100 W
ACMI 500: 12.5 to 500 W
108-144 MHz, ± 8%
136-225 MHz, ± 10%
225-520 MHz, ± 8%
470-960 MHz, ± 5%
960-2400 MHz, ± 5%