Mipro MR-90B er en kompakt trådløs modtager designet til brug sammen med professionelle videokameraer. Modtageren passer sammen med Mipro ACT-transmittere og eliminerer behovet for mikrofonkabler under optagelser. MR-90B kan også installeres på en aktiv PA-højtaler via ACT-transmittere, eller en MT-92A trådløs interlinking transmitter fra en MA-909 trådløs mixer for lave de aktive højtalere om til et trådløst system.
Frequency Range: UHF 668~692MHz Bandwidth: 24MHz Oscillation Mode: PLL synthesized Stability: ±0.005% Preset Channels: 100 selectable channels Receiving Mode: Dual antenna true diversity Receiving Sensitivity: S/N>76dB at 6μV input Frequency Response: 80Hz~18KHz (with low frequency filter characteristics) Image Rejection: >78dB Spurious Rejection: >80dB Intermodulation: >60dB T.H.D.: Maximum Output Level: Balanced 2.2V rms open (THD=1%) Squelch Level: Adjustable range: 6dBuV~40dBuV at 5dB steps Maximum S/N Ratio: 107dBA Display: LCD Power: 6.5~12V DC Current Consumption: Approx. 70mA Dimensions: 83(W)×145(H)×35(D)mm / 3.3(W)x5.7(H)x1.4(D)" Weight: Approx. 220g / 7.7oz Matching Transmitters: ACT-7H / ACT-7T / ACT-70T Operating Environment: -10~60℃