JB SYSTEMS WBS20

• UHF wireless microphone systemn with WBP-20 belt-pack and lavalier microphone
• Belt pack can be used with rechargeable batteries
• Belt-pack input with line/mic switch and can also be used as guitar belt-pack!
• Diversity reception for better stability and avoid signal dropouts
• Adjustable squelch for stable reception, free from unwanted noise.
• Tone squelch for improved reliability.
• 16 selectable frequencies via PLL synthesizer: up to 4 sets can be used together
• Antennas on front panel for easy rack mounting
• Optional “RP-WMIC” 19” adapter available for rack mounting of 1 or 2 receivers
• Balanced XLR and unbalanced jack output
• Frequency range: 863-865MHz (free use in most European countries)

Receiver

• Carrier Frequency Range: UHF band 863 - 865MHz
• Frequency Stability: ±0,005%
• Receiving Sensitivity: @ 5μV  S/N ratio >80dB
• Image and Spurious Rejection: 80 dB minimum
• Selectivity: ＞50dB
• Modulation Mode: FM
• Receiver type: PLL synthesized, switching diversity
• IF Frequency: 1st: 243.95MHz ~ 2nd: 10.7MHz
• Tone Signal: 32,768KHz
• S/N ratio: ＞94dB, @ 20kHz deviation & 60mV antenna input
• AF Response: 80Hz to 15kHz (±3dB)
• T.H.D.: Less than 1,0% (at 1kHz)
• Power Supply: DC 12V ~ 18V
• Audio Output: Balanced & unbalanced outputs (Mic.= -20dB / Line = 0dB)
• Current consumption: 130mA  +/-10mA

Belt pack Transmitter

• Carrier Frequency Range: UHF band 863 - 865MHz
• RF Power Output: 10mW (max.)
• Oscillation Mode: PLL synthesized, 16Channel selectable
• Frequency Stability:  ±0,005%
• Maximum Deviation: ±20kHz with limiting compressor
• Spurious Emission:    ＞60dB below carrier frequency
• T.H.D.: ＜1,0% (at 1KHz)
• Microphone Capsule: uni-directional electret condenser unit
• Tone Signal:    32,768 kHz
• Battery: DC 3V (2x 1,5V AA size alkaline batteries )  OR DC 2.4V (2x 1,2V AA size rechargeable batteries)
• Current consumption: 120mA  ±10mA @ 3V