WEP5540/WEP5541 4G Village-leveled Emergency Audio Decoder

Technical Parameter

Technical Requirements

Input Interface

1 FM Input

F Head（75Ω）

1 IP input

100/1000Mbps，UDP Protocol

1 GPS Receive Module

Support SMS or telephone remote emergency insertion

2 Sets of Audio Line Inputs

RCA

1RDS Input

BNC

1 USB Input

USB Interface

Stream Format: communication

1Microphone Connector

6.35mm

Output Interface

IP Output

1 IP output UDP protocol，100/1000Mbps Network port

1 Set of Audio Output

RCA

1-way Monitor Speaker

Output power: 3W

1 FM output

F Head（75Ω）

2 controlled power outputs

220V  5A

Indicator Parameters

Frequency Output Range

87-108MHZ

RF Signal Input Level

FM: ≤-50dBm

Modulation Output  Parameters

Distortion（100% modulation）

＜0.5%

Frequency Response

±0.5dB

SNR（100% Modulation）

＞60 dB

Left/Right Channel Separation

＞40 dB

Left and right channel level difference

＜0.4 dB

Carrier Frequency Allowable deviation

≤2KHZ

Carrier output level

≥110dBuV

Amplitude-modulated Noise

≤-45dB

Audio Frequency Response

100Hz-10kHz

≤1.5dB,≥-1.5dB

Audio Frequency Response

40Hz-15kHz

≤1.5dB,≥-3dB

Audio THD

≤1.5%（frequency offset±75kHz,test frequency is 1kHz）

IP Network Audio Decoding or Encoding

Decoding or Encoding

AAC,MP3,FLAC,WAV

Sampling Rate

32KHz

Sampling accuracy

16-bit

Bitrate

64Kbps

System

LCD display/key operation

Simplified Chinese Interface

Temperature Range

0~45℃(Work)；-20~80℃(Storage)

Power Supply

AC 100~265V±10%，50/60Hz

Power Consumption

<35W