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HOMEPRODUCTSWIRELESS AUDIO MODULES SA628F30 : 1W LONG RANGE FULL DUPLEX WIRELESS AUDI...
SA628F30 : 1W Long Range Full Duplex Wireless Audio Module
SA628F30 : 1W Long Range Full Duplex Wireless Audio Module
SA628F30 : 1W Long Range Full Duplex Wireless Audio Module
SA628F30 : 1W Long Range Full Duplex Wireless Audio Module
SA628F30 : 1W Long Range Full Duplex Wireless Audio Module
SA628F30 : 1W Long Range Full Duplex Wireless Audio Module
SA628F30 : 1W Long Range Full Duplex Wireless Audio Module
SA628F30 : 1W Long Range Full Duplex Wireless Audio Module

SA628F30 : 1W Long Range Full Duplex Wireless Audio Module

  • SA628F30 is a 1W output power full duplex wireless voice module with mesh network. SA628F30 is very easy to use. It start to work by just connecting antenna, power supply and speaker, microphone, Audio amplifier, RF channel switch, volume adjustment are all embedded on board. SA628F30 has USB interface, and specified PC software. It can be configured and SMS Tx/Rx easily by the PC software.
  • The SA628F30 module has built-in high speed micro -controllers, high quality voice Codec, high-performance RF chips and amplifiers. This wireless module adopts the newest generation LoRa chip, which has the characteristics of low power consumption, long distance, and flexible frequency adjustment. SA628F30 has I2S and analog audio interface for different application. SA628F30 support full duplex SMS communication.
  • SA628F30 embed very good voice codec, which achieve much better voice quality than walkie talkie in the market.
  • SA628F30 supports concurrent Tx and concurrent Rx. It support maximum 8 devices transmitting simultaneously. There is no limitation in receiving. Mesh Network is available to extend the range. The mesh function is easy to achieve by setting the modules as Node, Router or Node & Router.
  • SA628F30 can be upgraded over air ( OTA ) or by serial communication.
  • SA628F30 strictly uses lead -free process production and testing, which meets the standards of ROHS and Reach


Parameters

Condition

Min.

Typ.

Max.

Unit

Power Supply


3.3

4

5.5

V

Working temperature


-30

25

70

Current consumption

Sleep current



65


uA

RX Current

@no voice output


75


mA

TX current(High power)

4.2v,@30dBm 


450


mA

RF Parameters

Working Frequency

UHF 

410


490

MHz

Customizable frequency


150


960

MHz

Default frequency value for 16 channels

UHF(1MHz interval)

440.125


455.125

MHz

Transmit power

Default:32dBm

15

30

32

dBm

Bandwidth(BW)



500


KHz

Receiving sensitivity



-117


dBm

voice parameters

Modulation sensitivity



10

100 

mV

Receive signal-to-noise ratio(SNR)



90


dB

Frequency response


60


3800

Hz

Voice output(line out)

Load 16Ω 



40 

mW

Voice output power(SPK+,SPK-)

Load 8Ω 



2000 

mW

Delay parameters

2channels


80


ms

3channels


120


ms

4channels


160


ms

6channels


240


ms

8channels


320


ms


Features

  • Frequency Band: 420~510MHz(Customizable 150-960 MHz)
  • USBInterface
  • PC software configuration, easy operation
  • 8-ChannelsFull-Duplex Data/voice Communication
  • Echo cancellation function
  • VOX & PTT
  • OTA &Serial upgrade
  • I2S Digital voice+analog voice
  • Line In + Mic input
  • Mesh Network, concurrent Tx/Rx
  • 3-4KM transmission distance in the open area
  • High Receiving sensitivity:-117 dBm
  • Low power consumption

Applications

  • Fire emergency communication
  • Subway, tunnel communication
  • Riding system
  • High-quality full duplex walkie talkie
  • conference call system
  • Building community security system
  • Security intercom system for special scenarios
  • Headset walkie-talkie
  • Special job assignment walkie talkie



Pin No.

Pin name

Description

1

SPKOUT+

Connect with 8 ohm 2W speaker

2

SPKOUT-

Connect with 8 ohm 2W speaker

3

MIC_N

Connected with the negative of