PBE’s BDA-3 Amplifier Maintains Signal Levels to Provide
Dependable Communication

FEATURES OVERVIEW
• Compatible with Voice and Data communications
• Local Diagnostics
• Saddle and Clamp connections
• IP55/NEMA 4X rated enclosure
• VHF and UHF
PBE’s BDA-3 Amplifier Maintains Signal Levels to Provide
Dependable Communication
THE BIDIRECTIONAL LINE AMPLIFIER (BDA-3)
• Provides local diagnostics to indicate the
current state of the amplifier for ease of
maintenance
• Supports voice and data transmission
• Powered from the radiating cable line
• Connected via saddle and clamp connections
• Amplifier tuning via rotary switches
• High level of sideband immunity and excellent
noise rejection
• Housed in a minimum IP55 rated heavy duty
enclosure
The Bidirectional Line Amplifier (BDA-3) is part PBE’s leaky feeder system which provides
a reliable, simple to use underground data aquisition and communication system.

SPECIFICATIONS
Operating Voltage: 12-48 VDC
Operating Temperature: -20°C to 50°C
Downlink Frequency: VHF (02-00149): 151 – 157.5 MHz
VHF (02-00156): 145.5 – 147.5 MHz
UHF (03-00041): 480 – 490 MHz
Uplink Frequency: VHF (02-00149): 170 – 174.5 MHz
VHF (02-00156): 160.5 – 162.5 MHz
UHF (03-00041): 450 – 460 MHz
Bandwidth: VHF (02-00149): 4.5 MHz Uplink, 6.5 MHz Downlink
VHF (02-00156): 2 MHz Uplink, 2 MHz Downlink
UHF (03-00041): 10 MHz Uplink, 10 MHz Downlink
Input / Output Impedance: 75 ohms
Maximum Gain: VHF (02-00149): 28 dB
VHF (02-00156): 28 dB
UHF (03-00041): 32 dB
Connections: Saddle and clamp
Through Current Capacity: 1.5 A max
Current Drain: ~90 mA @ 12 VDC
~50 mA @ 24 VDC
~30 mA @ 48 VDC