The RFM-DPX dual-band coupler—also known as a diplexer—is engineered for mission-critical radio
operations in the VHF (100-174 MHz) and UHF (380-960 MHz) frequency ranges. Designed for compatibility with leading public safety
radio platforms including Motorola APX, Kenwood Viking, and L3Harris mobile radios,
this coupler enables seamless integration of dual-band antennas for reliable multi-band performance in
the field.
 

Key Benefits for First Responders and Public Safety Fleets:

• Simultaneous Dual-Band Operation: Supports both VHF (100–174 MHz) and UHF (380–960 MHz)
  signals through a single dual-band antenna.
• Rugged & Reliable: Built with black anodized aluminum housing and Teflon® N-type connectors for
  maximum durability in mobile and field environments.
• High Power Handling: Rated for up to 150 watts with robust 1000-volt capacitors in the filter stage
  for dependable high-power operation.
• Public Safety Ready: Delivers low insertion loss (<0.3 dB mid-band) and high port-to-port isolation
  (>20 dB) to ensure clear, uninterrupted communications.
• Weather-Resistant Construction: Splashproof design is ideal for vehicle installations and demanding
  field conditions.
  Whether installed in a patrol vehicle, fire apparatus, or emergency response trailer, the RFM-DPX
  provides dependable RF performance to keep critical communications connected.