ระบบขยายห้องเรียนแบบไร้สาย DSP2020B

Parameters

Value

Unit

Power Part

Receiver

Transmitter

Voltage

5V

Rechargeable lithium battery4.2V

V

Working Current (Peak)

80

60

mA

Standby Current

0.1

0

mA

Digital Audio Part

Bit Depth

16

Bit

Sampling Rate

32

kHz

Frequency Response

20Hz-16kHz（±1.5dB）

Hz

Dynamic Range

85

dB

Distortion

0.2

%

SNR

85

dB

System Delay

10

ms

Full Amplitude Input

169

mVrms

Full Amplitude Output

715

mVrms

Output/Input Gain

-6.9

dB

Output Impedance

600

Ω

RF Part

Frequency Range

1

GHz

Number of Channels

16

PCS

Bandwidth

5

MHz

Effective Receiving Distance

Indoors＞30

m

Receiving Sensitivity

-90dBm@2Mbps/Ber=1/1000

dBm

Transmitting Power

10

dBm

Package Dimensions(2 pcs  W×D×H)

380×400×120mm

Gross Weight(2 pcs)

1.65KG

Receiver Dimensions (W×D×H)

165×105×30.4mm

Receiver Net Weight

0.2KG