PT-850B
* 16 Selectable channels.
* PLL synthesized oscillator type.
* Powered by 2 AA batteries.
* Equipped with 4P Mini XLR connector.
* Compact, heavy duty plastic housing.
* LED display.
* PT-850Bmi offers a wireless solution for most musical instruments.

Specifications:

Frequency Preparation PLL Synthesized Control
Carrier Frequency Range 502~960 MHz
3x Frequency range 856.100 - 864.900 MHz (F band)
606.500 - 629.900 MHz (U band)
721.500 - 748.375 MHz (G band)
658.125 - 678.500 MHz (D band)
487.125 - 506.500 HHz (I band)
502.000 - 694.000 MHz (T band)
RF Outputs 10mW
Stability ±10KHz
Frequency Deviatio ±48KHz
LCD Display Power On / Off, Low battery
Controls Power On / Off,Channel Up / Down
Output connector 4P mini XLR
Spurious Emissions <-60 dBC
Audio Frequency Response 50~16,000 Hz
Battery UM3, AA 1.5V*2

US-8001D
* Preset 16 selectable UHF channels.
* Single transmitter operation.
* Diversity technology prevents dropouts in the RF link.
* PLL synthesized technology.
* Noise mute and pilot tone squelch.
* Equipped with both XLR balanced and Ø6.3mm unbalanced outputs.
* Tuned antennas maximize the effective range of the wireless link.
* Compact half rack space design.

Specifications:

Frequency Preparation PLL Synthesized Control
Carrier Frequency Range 502~960 MHz
3x Frequency range 856.100 - 864.900 MHz (F band)
606.500 - 629.900 MHz (U band)
721.500 - 748.375 MHz (G band)
658.125 - 678.500 MHz (D band)
487.125 - 506.500 HHz (I band)
502.000 - 694.000 MHz (T band)
S/N Ratio > 105dB
T.H.D <0.6%@1KHz
Display LED
Display Contents Antenna A/B, RF/AF Status
Controls Power On/Off, Channel Selecting, Audio Level
Audio Output Level -12dB
AF Output Impedance 600Ω
Squelch Pilot Tone, Noise and Mute
Operation Voltage US-8001D/US-8001DB : 12-18 VDC, 150mA
US-8002D/US-8002DB : 12-18 VDC, 200mA
Output Connector 1 Balanced XLR socket (2 for US-8002DB/US-8002D)
1 Unbalanced Ø6.3mm phone jack
Dimension(m/m) US-8001DB/US-8002DB : 210mm (W)* 40mm (H)* 181mm (D)
US-8001D/US-8002D : 210mm (W)* 40mm (H)* 171mm (D)

CM-501
Condenser Lavaliere Microphone

Uni-direction for high-quality voice pick-up.
* Wide dynamic range and frequency response for excellent sound reinforcement.
* Small size for minimum visibility.
* Together with clip for easy attaching to a tie, lapel, dress etc.

Specifications:

Connector 4P Mini XLR
Frequency Response 100~15,000 Hz
Polar Pattern Cardioid
Sensitivity (at 1KHz) -60±3 dB* (1mV)*0dB=1V/μbar
Impedance 2.2kΩ
Max. SPL for 1% THD 130dB
Dimension(mm) Ø10.1mm(W)*  26.4mm(H)
Net Weight 21.5g

JTS Professional 8001D Lavalier mic System (JTS US-8001D/PT-850B CM-501)