Oscillator type:     PLL Synthesized Control Oscillator
 Carrier Frequency Range:     576.4 MHz-599.9 MHz (Transmitter: A )
 568.6 MHz-592.1 MHz (Transmitter: B )
 Channels:      48
 Frequency response:     40 Hz to 18 kHz (+/-3dB)
 Operation range:     100m (300')(without obstacle)
 Operating temperature:     14° F to 122° F (-10℃  to +50℃)
 Storage temperature:     14° F to 131° F (-10℃  to +55℃)

Transmitter：
 
 RF output power:     ≤10 mW
 Antenna:     1/4λ wire antenna
 Spurious emission:     250 nW or less
 Audio input connector:     3.5mm mini jack
 Reference audio input level:      –60 dBV (MIC input, 0 dB attenuation)
 Reference deviation:     ±5 kHz (–60 dBV, 1 kHz input)
 Input frequency range:     20 Hz-20 KHz
 Distortion:     0.5% or less
 Power supply:     Two AA size batteries
 Operation time:    
 About 6 hours

 Dimensions:     208(H)  × 67(W) × 29(L)mm
 Weight:     80g without batteries

Receiver：
 
 Antenna:     1/4λ wire antenna
 Audio input connector:     3.5mm mini jack
 Signal-to-noise ratio:     70 dB or more
 Distortion:     0.5% or less
 Headphone output level:      30mW (16 Ω)
 Audio output level:     –60 dBV
 Power supply:     Two AA size batteries
 Operation time:    
About 4 hours

 Dimensions:    
 208(H) × 67(W) × 29(L)mm

 Weight:    
 90g without batteries

Lavalier Microphone：
 
 Transducer:     Back electret Condenser
 Polar pattern:     Omni-directional
 Frequency Range:     35Hz ~ 18 KHz
 Signal / Noise:     74dB SPL
 Sensitivity:      -30dB +/-3dB / 0dB=1V/Pa, 1 kHz
 Connector:     3.5mm locking mini plug
 Length:     1.2m (4’)

• Dual-Channel Wireless Receiver

• 48 Selectable UHF Channels

• Broadcast-Quality Sound

• Includes Two Transmitters and One Receiver

• Seletable Stereo and Mono Mode

• Mic and Line-in

• Selectable Mute function

• Easy-to-read LCD displays

• Automatic LCD-locked Function

• Monitoring sound by headphone output (Receiver)

• Operation range can reach up to 100m(300')
   (without obstacle)

• Two AA batteries for both transmitter and receiver