User's Manual

A4Schools SIA
3
III Electrical Parameters
No.
Description
Speaker
Microphone
1
Voltage
AC 19V
DC 3.3 - 4.3V
2
Electric Current
Depending on
the audio source
Max 280mA
3
Operating Temperature
-15 -65℃
-15 -65℃
4
Frequency Range
5725-5850MHz
5725-5850MHz
5
Modulation Mode
GFSK
GFSK
6
Baud Rate
2M bps
2M bps
7
Channel Spacing
4MHz
4MHz
8
Frequency Stability
± 100KHz
± 100KHz
9
Channel selection
Manual
Manual
10
Channel Quantity
30 Channels
30 Channels
11
Range
Up to 10 meters
12
Receiver Sensitivity
-90dBm
-90dBm
13
Input/output
1*3.5mm audio input
1*3.5mm audio output,
1*broadcast signal input,
1*Bluetooth 4.0
input,2*5.8GHz wireless
input, 1*RS232 serial port
1*3.5mm audio line-in，
1*3.5mm microphone input
14
Frequency Response
20 - 20000Hz
15
Latency
<15ms
16
Sample Rate
64kHz 16 bit
17
SNR
95 dB
18
THD
0.3 % @ 1kHz
19
Dynamic Range
90dB
20
Stereo Isolation
85dB