$202.99 – Sampling rate: 300MSA/S, Channel: 2, Model: PSG9080, Maximum frequency of sine wave: 80MHz.
I have just checked coupons. The lowest price I could get is $202.99 for JUNTEK PSG9080 Signal Generator (in Banggood). Go down and check coupons out. Remember to check price history if it is available. Do you want to know what the best price is?
Latest coupon code price check (UTC time):
Banggood ($202.99)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Is it expensive? Let’s see… Average price for this item is $204.66 and current one is $202.99, so it’s a good price!
Link: Banggood product page
Price: $202.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BG9080, BGherra, BGGines, BG4b906b, BGTOOS729, BG8FORMULAMX, BGBFDAY8, BGSPRING8OFF, BGALL8
(there’s a little possibility that old coupon will 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
Here is price history (for all/most countries) for JUNTEK PSG9080 Signal Generator. The lowest price was: $179.99.
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)).