$619.99 – FX-4CR Radio SDR HF Transceiver with 1-20W Continuously Adjustable Power Range Support USB/LSB/CW/AM/FW Modes Short-wave FX4CR （Random Color）.
When I was updating this page, then coupon price was $619.99 for FX-4CR Radio SDR HF Transceiver (in Banggood). You can create price alert here, copy coupons and view price history. What is best price?
Latest coupon and price update (UTC):
Banggood ($619.99)
Banggood warehouse is located in China. There are no coupons available at this moment in Banggood. Is it expensive? Well, this price is higher than average price ($603.59)
Link: Banggood product page
Price: $619.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGHONEYSP, BGd0dfdc, BGESJY8, BGALL8
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for FX-4CR Radio SDR HF Transceiver. The lowest price was: $599.99.
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)).