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- Stock: 2 in Stock
- SKU: 05992
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SA628F30 1W Long Range Full Duplex 16K Sampling Rate 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
Features
- Frequency Band: 420~510MHz(Customizable 150-960 MHz)
- USB Interface
- 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
Typical Schematic Circuit

Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)


