'''Hi misstif03'''
Based on the specs, it is running on a private 2.4Ghz frequency.
https://www.verywellfamily.com/infant-optics-dxr-8-review-4783589
There is a way, but you need proper soldering tools.
You can try this
and this
[image|2085632]
WiFi RP-SMA Antenna and connector.
I suggest to buy in set, to avoid mis match, look around on online, price should be reasonable.
In Summary,
Open up the device as ifixit follows, and remove till step 3
[guide|78454]
https://d3nevzfk7ii3be.cloudfront.net/igi/dGHmHmoHMHY1YTkv.huge
Desolder the antenna from the mainboard.
Remove the broken antenna parts from the casing.
Fit in the new SMA connector, you might need to drill or work into it.
and solder the pigtail end to the mainboard.
End product should be like this as an example.
[image|2085642]
And you connect the sma antenna to it.