You can create price alert here, copy coupons and view price history. Best price?
Memory Channels: 128, Frequency Step: 2.5 / 5 / 6.25 / 10 / 12.5 / 20 / 25KHz, Operating temperature: – 20 – 60 Deg.C, Antenna Impedance: 50 ohm, Output Power (high/low): 5 / 1W
Aliexpress
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Price history and price alert
Price history is not available for this item (not enough database records)! The lowest price was $26.99 though.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).