The RF signal,
recovered from fiber.
The FRX-1 is a compact simplex Radio-over-Fiber receiver. It converts a 1310 nm optical signal back to UHF electrical, with two output modes (+30 dB amplified for local re-broadcast, or attenuated 0/−10/−30 dB to feed a receiver, spectrum analyzer or SDR directly). Integration-friendly, IP-housing compatible. Made in France.
Type
Récepteur RoF simplex
Bandwidth
470 – 690 MHz (High) · 0,1 – 3 GHz (Low)
Amplified gain
+30 dB
Attenuated mode
0 / −10 / −30 dB
Impedance
50 Ω (75 Ω sur commande)
Highlights
Two reception modes
Amplified output (+30 dB) to re-broadcast an HF signal through a BNC antenna, or attenuated output (0 / −10 / −30 dB) to feed a wireless mic receiver, a GPS or a spectrum analyzer directly.
+30 dB · or 0 / −10 / −30
RF Peak LED
A dedicated LED flags excessive RF level at the output — you know immediately to switch to attenuated mode or add a pad.
LED saturation
Push-button optical check
A one-second push on the SW button shows the received optical signal state. Instant field diagnostic, no external analyzer.
SW · 1 s · fiber check
Powered via DC-feed on BNC
No dedicated power lead to run: the FRX-1 can be powered by the downstream receiver's DC-feed. Fewer cables, more reliability.
DC-feed via BNC · 1 cable
Compact integration
33 × 33 × 110 mm: fits in an IP housing, in a 1U rack, in a trackside cabinet. Built to disappear in the installation.
33 × 33 × 110 mm · 140 g
AFB-250 compatible
Drops straight into an AFB-250 at the antenna side and stays coherent with the BSRF RoF ecosystem: mix simplex FTX/FRX and duplex AFB/AFR in the same deployment.
AFB-250 · FTX-1 · ecosystem
Specifications
The numbers that matter.
Condensed excerpt. See the datasheet for detailed conditions.
RF
Fiber & power
Mechanical & compliance
Use cases
Long-distance RF offset
Bring a remote antenna back to an HF rack
UHF antenna → FTX-1 → fiber → FRX-1 in attenuated mode → wireless mic receiver. No long coaxial run, no 0.5 dB/m loss.
Local re-broadcast
Re-broadcast an HF signal through a local antenna
+30 dB amplified mode: the FRX-1 becomes a mini emitter that locally re-broadcasts a signal picked up remotely — handy for isolated dressing rooms.
Instrumentation
Feed a spectrum analyzer directly
Attenuated mode, BNC 50 Ω output: feed a spectrum analyzer or SDR to measure the spectrum at the far end of the fiber, no stray preamp.
Documentation
Everything you need before buying.
Datasheets and user manuals available in PDF format.
Product range