$135.99 – tinySA ULTRA 100k-5.3GHz Handheld Spectrum Analyzer with 4 inch TFT Display High Frequency Output Signal.
$135.99 – that is current price with coupon for TinySA ULTRA 100k-5.3GHz Handheld Spectrum Analyzer (in Banggood). You can create price alert here, copy coupons and view price history. You probably want to know what is the best price?
Latest price update (UTC time):
Banggood ($135.99)
Banggood warehouse is located in China. I have no active coupons for you right now. Price? Hmmm, price is higher than average (which is $135.33 right now), so better set price alert down below…
Link: Banggood product page
Price: $135.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGf9c700, BGESJY8, BGcabee2, BG0f80e6
(these coupons are old, so probably won’t work)
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
Price history (for all/most countries) for TinySA ULTRA 100k-5.3GHz Handheld Spectrum Analyzer is here. The lowest price was: $126.
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)).