U-899 is a single channel true diversity UHF wireless system made up of U-899R receiver, U-899H handled microphone or U-899P pocket transceiver.

  • Single channel UHF system
  • True diversity
  • 100 selectable frequencies
  • PLL synthesized
  • 638~ 558 MHz


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D-899R is a two channel UHF wireless receiver rack working with the microphone transmitters U-899H and the pocket transmitters U-899P. Each receiver can operate up to 99 preset frequencies in the UHF local authorized bands. An Auto-scan function is available to identify free-intermodulation carrier frequencies when a new preset is needed. The infrared frequency synchronization system makes easy to synchronize with any new transmitter quickly without any manual setting. Each receiver features a LCD screen displaying the preset number, the frequency value, the battery life time of the transceiver, and the quality of the RF and AF signals. Two independent XLR balanced outputs corresponding to each output are available plus a line output pre-mixing the four channels in one single output.
MODEL D-899R Receiver Unit
Receiver Type Single PLL UHF Synthesized Receiver
Frequency Band PLL UHF-USA / Europe Frequency
Frequency Response 50 Hz-15kHz (+/- 3dB)
Frequency Stability +/- 0.005%
THD < 1%
Dynamic > 100 dB
Modulation Mode FM (F3E)
Max Unbalanced Output 10dBu
Max Balanced Output 10dBu
S/N Ratio > dB100
RF Sensitivity -100dBm / 30 dB SINAD
Power Supply 100-240V / 50~60Hz, DC 15V / 600mA
Display Mode LCD display
Dimension (W x D x H) 210 x 210 x 45 mm (11.2” x 11.2” x 1,77”)
Weight 1.0 kg (2.2lb)
MODEL U-899H Handheld Transmitter U-899P Pocket Transmitter
Frequency Band UHF UHF
Oscillation mode PLL UHF Synthesized PLL UHF Synthesized
Modulation Mode FM (F3E) FM (F3E)
Frequency Stability +/- 0.005% +/- 0.005%
RF Radiation Fcc 10mW 10mW
Spurious Emission 50dBm 50dBm
THD < 1% < 1%
Frequency Response 50 Hz-15kHz (+/- 3dB) 50 Hz-15kHz (+/- 3dB)
Current drain <150mA <150mA
Battery “AA” type x 2 pcs (6 hours use) “AA” type x 2 pcs (6 hours use)
Operating Temperature -10°C to 50°C -10°C to 50°C
Tone Frequency 35 kHz 35 kHz
Dimension (W x D x H) 240 x 50 mm (diam.) 65 x 85 x 25 mm
Weight 0.27 kg 0.82 kg
Dynamic > 100 dB > 100 dB
Mic / Instrument Input 10 dBu 10 dBu
Microphone Type Dynamic Capsule Dynamic / Condenser
4 pin Connector N/A Pin 1: GND - Pin 2: Phantom Power Pin 3: Instrument - Pin 4: Microphone