Just check coupons out (with price alert and history). Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
4G lte Wireless Wifi router MK600 150Mbps With Sim Card Portable CPE Routers | $49.44 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Adapter EU Plug/US Plug, Form Factor 4G CPE, Size 190x 120x 30mm (L * W * H), Model MK600, Color White, Product Type WiFi Router, Weight about 240g
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($39.99): BG038c89
2. ($41.99): BG4876b6
3. ($45.99): BG1efeb0
4. ($46.49): 2203ActiesNL
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG670897
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for MK600 Wireless WiFi Router 300Mbps 4G LTE.
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)).