When I was updating this page, then coupon price was $349.59 for Malahit-DSP2 2.40 2nd Generation SDR Malachite Receiver Radio (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
New Firmware 2.40 Genuine Second Generation Malahit-DSP2 SDR Malachite Receiver Radio 10kHz-380MHz 404MHz-2GHz
Latest coupon code price check (UTC time):
Banggood ($349.59)
Banggood warehouse is located in China. Is it a reasonable price for this item? From what I can see this price is higher than average price ($322.39). One coupon is available. Cool!
Link: Banggood product page
Price without coupon: $349.99
1. ($349.59): BGALL8
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG09aa0f, BG93757b, BGSPRING8OFF, BGHONEYSP, BG5d7e36, BGESJY8, BGc0c501
(you can check these old coupons out, but these probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for Malahit-DSP2 2.40 2nd Generation SDR Malachite Receiver Radio? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
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)).