Model memories: 60 models (expandable by Micro SD card), Operating system: OpenTX, Color: Ash White/Sky Blue/Silver, Micro USB interface: supports 2S Li-battery balancing charge, Item name: X9D Plus 2019 Transmitter, Micro SD card slot and DSC Port, Mode: Mode 2, Number of channels: 24 channels, Operating voltage range: 6.5 – 8.4V, Weight: 670g (without battery), Dimension: 200*194*110mm (L*W*H), Smart Port, Internal RF module: ISRM-S-X9, Backlit LCD resolution: 212*64, Operating Temperature: -20℃ ~ 60℃ (-4℉ ~ 140℉), Compatibility: ACCST D16 and ACCESS receivers, Operating current: [email protected].
Just check coupons out (with price alert and history). You probably want to know what is the best price?
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.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGFRSKY15, 502C6B, aff7off, BGBFAFF2019, BGCITYADS2019, Wholesale20, BGVDay10%off, BGFrskyFB, bGhOnEy10, BGX9DR9M, BGTT10, Parts8, BGSS10%SW, bgshOOp10, BGFK11, 7bcdf9, BGRCRR9, BGCuponation10, BGDAVIS, BGradio9, BG70e5fc
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for FrSky Taranis X9D Plus 2019 RC Transmitter R9M. The lowest price was: $178.49.
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)).