LTE Dual Band Filter using ADS for 800Mhz and 1800Mhz

I have design LTE Dual Band Filter using micro-strip on ADS for 800 MHz and 1800 MHz. I am beginner and don't know from where to start plz help?

Is this for below bands LTE bands, right?

B2 1850-1910 / 1930-1990
B5 824-849 / 869-894

This is an area where I struggle to find available duplexers......