UNITED STATES (CBS) — Your electronic devices may alarm you today — but there’s a reason for that. A nationwide test of the federal emergency alert system will be broadcast at approximately 2:20 p.m.

Emergency experts said the key here is the more platforms you could hear or see, the better.

Which emergency radio is best? The radio may be falling out of favor as a platform and source of entertainment, but it is still an advantageous communication method. Emergency radio broadcasts are ...