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NiceRFsv651 ttl interface 433mhz wireless data transmitter and receiver

I have ordered 20 x sv651 433Mhz transceiver on 30th Aug 2017. As per the picture of the Product plus the link address
https://www.aliexpress.com/store/product/433MHz-Wireless-Data-Transmitter-And-Receiver-RF-Module-SV651/934254_1553755469.html?spm=2114.12010615.0.0.wsiqup

the product is clearly 433Mhz. I contacted the seller Helen to know about my product and she told me 470Mhz frequency is dispatched. This was completely not what i ordered. I asked her to change it as per the description of the product on website but things were out of her hand. The description of the product is now changed after my feedback.
Picture of the product which i witnessed is attached below

NiceRF

Al
Aug 07, 2017

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