EMR Uni-Directional Amplifiers (UDAs) provide a one way link (either uplink or downlink) inclusive of filtering and amplification of paging or base transmit signals into buildings, tunnels or areas that are shaded from adequate RF signal coverage, of portable transmit signals out. In addition to the UDA, other devices needed for a distribution system include transmission line, power splitters, hybrid & directional couplers, donor antenna, and Distributed Antenna System (DAS) antennas. Suitable for coaxial or radiating cable DAS. The choice of distribution method depends on the nature of the structure in which signal enhancement is required.

Additional information

Electrical Specifications
Frequency Band

Amplifier Bias Voltage

Amplifier Gain (Typ.)

Amplifier Noise Figure

Amplifier Output Power (Max.)

VSWR (Max.)


Passband Width

Power Control Dynamic Range

Power Control PA Setpoint

System Gain (Typ.)

System Output Power

System Voltage


FCC Classification

UPS Battery Backup

Impedance (Nom.)

RF Connectors

System NF (Typ.)

Mechanical Specifications
Enclosure Type


Environmental Specifications
Operating Temp. Range

Operating Humidity Range

Weight 30 lbs

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