Máy trợ giảng trường học không dây Joseph JP-130 (2 Micro)

Specifications

Performance index
The machine is used in the design of dynamic compression/expansion,crystal,

dynamic noise source of vibration suppression , multilevel interference filters, 

APC,etc.Main features: 

high signal-to-noise ratio, strong anti jamming capability, 

distortion, quality good, stable performance, receiving sensitivity adjustable.

System:
Power Supply:12V 3A
Frequency range: 165MHZ - 270MHZ
Frequency Stability: ±0.001%
Modulation mode: FM
Operating Distance: 100M(Outdoor)  

Operating Temperature: -10~+50°C

Receiver:
Receiving mode: super inside
Sensitivity: 12dBu superior (S/N = 40dB)
Output power: 35W (MAX)
Lines output level: 0-500mv
Line: 3.5 unbalanced output
The 12V: AH.=1.2 barrery
Power supply: 220V 

Frequency:50Hz

Transmitter
Power: ±10mW 
Clutter power: < 40dBm
Battery:9V
Working Current:≤30mA