Dual-channel true diversity wireless receiver UR-280
Model UR-280
Overview
UR-280 is a wireless receiver true diversity de dual channel that offers a ultra-wide bandwidth de 64 MHz for operar multiple systems with mínima interference.
Its TFT color display de 1.14" allows visualizar claramente the status of frequency, levels de RF/AF, gain, bloqueo and level battery de the transmisores.
The chasis 1U with outputs XLR balanceadas per channel and antenas BNC alimentadas lo hacen ideal for installations professional fijas and racks móviles.
Technical specifications
Device Type
Receptor microphone wireless UHF true diversity de 2 channels
Chassis Specification
Rack standard EIA 19" 1U
Channels De Recepcion
Dual channel (dual channel)
Reception Mode
True diversity per channel
Banda De Frequency Portadora
521.25 MHz – 936.85 MHz (depending on the region)
Stability De Frequency
± 0.005%
Metodo De Modulacion
FM
Oscillation Mode
PLL frequency synthesis technology
Sensibilidad De Recepcion
5 dBv, S/N ≥ 60 dB a 25 kHz de desviación
Bandwidth De Channel
64 MHz (dependiendo de the region)
Maximum Deviation
± 45 kHz
Overall S/N Ratio
> 105 dB
Overall THD
< 0.7% @ 1 kHz
Frequency Response
50/60 Hz – 18 kHz ±3 dB (according to the datasheet de producto)
Distancia Efectiva Work
≈ 100 m in open field conditions (condiciones típicas)
Antenna Interface
Dual BNC with output +12 V / 150 mA for antenas activas/boosters
Audio Interface
1 x output mixta jack 6.3 mm no balanceada, 2 x outputs XLR balanceadas independientes (a per channel)
Outputs Additional
Output de headphones/monitor depending on the version de panel frontal
Display
TFT color display 1.14" height brillo for status of frequency, grupo, dB, RF, AF, bloqueo and battery TX
Control Of Gain
Adjustment de volumen in pasos de 1 dB (‑15 a +5 dB)
RF Power For Transmisores
Totalmente compatible with TX with 3 levels de power RF (typically 10 / 30 / 100 mW)
SQ / Squelch
Umbral de silencio multi-level ajustable según environment RF
Additional Features
Escaneo de frequency/channel with selection de channel limpio · Synchronization IR with transmisores compatibles (UH-280, UT-280) · Modo de bloqueo de controls for evitar operaciones accidentales
Power Supply
DC 12 V / 1 A
Dimensions
410 × 206 × 43 mm (L × P × A)
Weight
≈ 2 kg
Applications
KTV de high demanda, multi-purpose rooms, hoteles, conference rooms, places of worship and stages small/medianos
Key features
- Dual channel true diversity with bandwidth de 64 MHz, suitable for configurations with muchos systems in paralelo.
- TFT color display with information complete of the system, incluyendo RF, AF, dB, status of bloqueo and battery de transmisores.
- Gain output ajustable in pasos de 1 dB (‑15 a +5 dB) for adaptar the level a tables and processors externos.
- Squelch (SQ) multi-level ajustable for optimizar the inmunidad a noise de RF in distintos environments.
- Interfaz de antena BNC with power +12 V / 150 mA for use with antenas activas or distribuidores RF.
- Chasis rack 1U robust with outputs mixtas jack and XLR balanceadas per channel for maximum flexibilidad de connection.
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