Sec. 95.193  (FRS Rule 3) Types of communications.

    (a) You may use an FRS unit to conduct two-way voice communications 
with another person. You may use the FRS unit to transmit one-way 
communications only to establish communications with another person, 
send an emergency message, provide traveler assistance, make a voice 
page, or to conduct a brief test.
    (b) The FRS unit may transmit tones to make contact or to continue 
communications with a particular FRS unit. If the tone is audible (more 
than 300 Hertz), it must last no longer than 15 seconds at one time. If 
the tone is subaudible (300 Hertz or less), it may be transmitted 
continuously only while you are talking.
    (c) You must not use an FRS unit in connection with any activity 
which is against federal, state or local law.
    (d) You must, at all times and on all channels, give priority to 
emergency communication messages concerning the immediate safety of life 
or the immediate protection of property.
    (e) No FRS unit may be interconnected to the public switched 
network.