ROF 4 Indoor TX/RX

Professional RF over Fiber link system designed for reliable, simple, and high-performance RF signal transport over optical fiber
Compact modular system with capacity for up to 4 RF over Fiber modules

Modules configurable in modes:

• TX (transmitter)
• RX (receiver)
• Transceiver (TX + RX)

Multi-standard RF transport: DVB-T / DVB-T2, DVB-S / DVB-S2, ATSC, DAB, FM, GPS / GNSS

Optical performance

• Frequency band: 50–1000 MHz | 50–6000 MHz
• Response flatness: ±1 dB (50–1000 MHz) ±1.5 dB (50–6000 MHz)
• Noise figure: 14 dB (50–1000 MHz) 16 dB (50–6000 MHz)
• Linearity performance: Input P1dB up to 2 dBm Input IP3 up to 14 dBm
• Link Gain: 0 / 10 / 20 dB (selectable)
• Link Gain stability: ±1.5 dB over temperature from –20 °C to +60 °C
• Optical fiber transmission: up to 30 km (1310 nm) / 45 km (1550 nm)

Optical interface

• Optical Connector: SC / APC
• Optical Wavelength: 1310 nm or CWDM
• Optical CWDM Wavelength MUX/DEMUX: 8 channels (1470–1610 nm) or 16 channels
• TX Laser Optical power: 4.5 dBm
• TX Laser type: isolated DFB
• Optical Budget / Distance (1310/1550 nm): up to 30 / 45 km

Power supply and operating conditions

• Max RF IN power (no damage): 10 dBm (max 15 dBm)
• GPS-GNSS antenna feed: 5 Vdc, max 30 mA (short circuit protected)
• Power Supply ROF 4: Redundant 12 Vac 5A
• Operating temperature: typical -10°C / +50°C
• Humidity: 95% non-condensing

RF over Fiber transport

• RF → optical → RF conversion
• long-distance transmission with minimal losses and EMI immunity

Modular multichannel system

• up to 4 independent RF channels
• each module handles a separate RF signal

Available module configurations

• TX Configuration: up to 4 transmitter modules
• RX Configuration: up to 4 receiver modules
• Transceiver Configuration: TX + RX combination in the same rack

Each module is independent and individually configurable

RF Power Management

• remote power supply for antennas and LNBs
• Protected LNA/LNB feed with resettable fuse

Monitoring and diagnostics

• RF IN power measurement (TX)
• RF OUT power measurement (RX)
• Monitor Alarm Output: TX laser current; received optical power

Integration flexibility

• available with various Link Gain values, preset or adjustable, and different RF and optical connectors
• available with 1310 nm optical wavelength or in CWDM configuration
• Compatible with other RF over Fiber systems
  

• Presettable Link gain: from -10 to +20 dB
• RF IN power Measurement (TX)
• RF OUT power Measurement (RX)
• 5 Vdc to RF IN for GPS-GNNS Active Antenna
• Multiple TX or RX in a single unit
• Transceiver version available, TX & RX
• 1310/1550 nm versions available
• 13/18 Vdc to RF IN for LNB powering & 22 KHz
• Long distance RF transport
• High density multi-channel distribution
• High signal quality
• modules configurable as TX, RX or transceiver
• Reduced system complexity
• Operational reliability