$106.90 – NanoVNA-F V2 50kHz-3GHz Vector Network Analyzer (Banggood, Aliexpress: Main color: black, Battery: 1 * lithium battery / 5000mAh, RF output power: -9dBm (error within 1GHz: ±1dB), Number of scanning points: 101 points, Number of calibration points: 101 points, Material: aluminum alloy(case), S21 dynamic ranges: 70dB (1.5GHz) / 60dB (3GHz), 2-port return loss: 20dB typ (1.5GHz) / 13dB min (3GHz), Frequency accuracy: <0.5ppm, Frequency: 50kHz-3GHz, S11 dynamic ranges: 50dB (1.5GHz) / 40dB (3GHz) (the best price with coupon)).
When I was updating this page, then coupon price was $106.9 for NanoVNA-F V2 50kHz-3GHz Vector Network Analyzer (in Banggood). Price history, coupons and price alert are available on this page. Best price?
Latest coupon code price check (UTC time):
Banggood ($106.90)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. Is it a low price? Let’s see… Average price for this item is $116.07 and current one is $106.9, so it’s a good price!
Link: Banggood product page
Price: $106.9
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BG0fad6b, BGTOOS729, BG8FORMULAMX, BGBFDAY8, BGNEWYEAR8
(I don’t think these’re gonna work, but you can try ’em out anyway)
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 NanoVNA-F V2 50kHz-3GHz Vector Network Analyzer. The lowest price was: $99.99.
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)).