Radio Frequency Over Fibre Optic Distributed Antenna System
ORU Optical Remote Unit
The remote end of a radio over fibre optic DAS. It turns the light from the OMU back into radio signal, amplifies it and feeds the antennas in its area.
Good for: Blocks, floors and basements too far from the repeater for its signal to reach well.
Key specifications
- Job
- Optical to radio, amplifies for the antennas
- Frequency
- UHF / VHF / HF / Customize
- Fibre
- 1310 / 1550 nm, 1 LC port
- Channel capacity
- Depends on your repeater
- Size
- 2U, cabinet installation
- Operating range
- -25 to +55 °C, humidity up to 95%
- Power
- 230 VAC mains
- Protection
- IP30, for equipment rooms
- Approval
- SIRIM QAS type approved, repeater category, 400-450 MHz
From the manufacturer brochure. Exact specification depends on version, so confirm with me before ordering.
How the OMU and ORU fit together
Data centre coverage: when one repeater is not enough
Often used in: Data centres
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