MODEL 02-00030

SINGLE BRANCH UNIT

PBE’s Minecom Single Branch Unit is a passive device
used to branch off (one input, two outputs) the main
Leaky Feeder cable into a side tunnel or another level.
Single Branch Unit provide a balanced RF output with a
minimum of a!enua”on and voltage loss through the
branch and passes DC voltage from Power Coupler to
amplifiers.
PBE’s Minecom Single Branch Unit u”lizes Minecom’s
proprietary Leaky Feeder terminal and saddle
connec”ons rather than coaxial connectors (which can
cause higher voltage drops and present challenges to
installa”on and field maintenance).
The device is configurable and provides the following
se3ngs which can be selected during installa”on:
• Passes both RF and DC to the branch (normal
opera”on)
• Isolate or terminate the branch (blocks both RF
and DC from entering the branch cable)
• Isolate DC in the port (blocks DC from entering the
branch cable).

FEATURES
• Compa”ble with Voice and Data communica”ons
• Saddle and Clamp connec”ons
• Minimum IP55/NEMA4X rated enclosure
• 2 x Internal isola”on jumpers

INSTALLATION
PBE’s Minecom Single Branch Units are designed for easy assembly underground without the need for specialized tools or
skills.
Branch Units introduce some losses into the system ranging from 4 dB to 8 dB, depending upon the signal path and frequency.
The Minecom System Design drawing (01-20000-05 for VHF or 01-30001-05 for UHF) should be used to account for losses of
installed Branch Units. The length of cable would reduce if a second Branch Unit were to be inserted between the same two
amplifiers.

SPECIFICATIONS
Frequency range: 100 – 500 MHz (Minecom VHF & UHF systems)
Output to Output Isola.on: -10 dB minimum
Inser.on Loss:
Base to Tunnel: Base to Branch 1:
VHF: 5 dB +/- 0.5 dB VHF: 4 dB +/- 0.5 dB
UHF: 8 dB +/- 0.5 dB UHF: 7.5 dB +/- 0.5 dB
Impedance: 75 ohm
System Voltage Range: 12 – 48 V DC
Through Current Capacity: 1.5 amps maximum
Power Requirements: None
Connec.ons: Saddle and clamp
Enclosure: IP55/NEMA4X heavy duty enclosure
Weight & Dimensions:
1.1kg; 215 (w) x 110 (d) x 65 (h) mm
(2 lb 7 oz; 8.5 (w) x 4.3 (d) x 2.6 (h) inches)