The best replacement for 400 mhz is 533 mhz.

The best alternatives to 400 mhz are rated as following:
★★★★★  533 mhz

Your alternative for 400 mhz is not listed? Suggest!


No companions for 400 mhz have been suggested so far.
You have in mind a companion for 400 mhz and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of 400 mhz in all years. Click on graph for more.
400 mhz
533 mhz