When I was updating this page, then coupon price was $140.99 for 5-10W USDX USDR HF QRP SDR Transceiver SSB/CW (in Banggood). You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
5-10W USDX USDR HF QRP SDR Transceiver SSB/CW Transceiver 8-Band DSP SDR + Microphone +Battery + Charger – EU Plug
Latest coupon code price check (UTC time):
Banggood ($140.99)
Banggood warehouse is located in China. There are no active coupons for this product, but the price is pretty low isn’t it? Well, is it a good price anyway? This price is higher than average price ($134.74) for this item.
Link: Banggood product page
Price: $140.99
Old coupons (from the oldest to the newest): BG49ddd3, BG9285df, BGMARCHSALE, BG20236Tool, BGTOOS729, BG8FORMULAMX, BGBFDAY8, BGNEWYEAR8, BGSPRING8OFF, BGHONEYSP, BGESJY8
(probably won’t work, but you can try them out)
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 5-10W USDX USDR HF QRP SDR Transceiver SSB/CW? 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)).