This is the law, straight from the vehicle code. There is no prohibition against HAM's or CB's.
23123. (a) A person shall not drive a motor vehicle while using a
wireless telephone unless that telephone is specifically designed and
configured to allow hands-free listening and talking, and is used in
that manner while driving.
(b) A violation of this section is an infraction punishable by a
base fine of twenty dollars ($20) for a first offense and fifty
dollars ($50) for each subsequent offense.
(c) This section does not apply to a person using a wireless
telephone for emergency purposes, including, but not limited to, an
emergency call to a law enforcement agency, health care provider,
fire department, or other emergency services agency or entity.
(d) This section does not apply to an emergency services
professional using a wireless telephone while operating an authorized
emergency vehicle, as defined in Section 165, in the course and
scope of his or her duties.
(e) This section does not apply to a person driving a schoolbus or
transit vehicle that is subject to Section 23125.
(f) This section does not apply to a person while driving a motor
vehicle on private property.
(g) This section shall become operative on July 1, 2011.
23123.5. (a) A person shall not drive a motor vehicle while using
an electronic wireless communications device to write, send, or read
a text-based communication, unless the electronic wireless
communications device is specifically designed and configured to
allow voice-operated and hands-free operation to dictate, send, or
listen to a text-based communication, and it is used in that manner
while driving.
(b) As used in this section "write, send, or read a text-based
communication" means using an electronic wireless communications
device to manually communicate with any person using a text-based
communication, including, but not limited to, communications referred
to as a text message, instant message, or electronic mail.
(c) For purposes of this section, a person shall not be deemed to
be writing, reading, or sending a text-based communication if the
person reads, selects, or enters a telephone number or name in an
electronic wireless communications device for the purpose of making
or receiving a telephone call or if a person otherwise activates or
deactivates a feature or function on an electronic wireless
communications device.
(d) A violation of this section is an infraction punishable by a
base fine of twenty dollars ($20) for a first offense and fifty
dollars ($50) for each subsequent offense.
(e) This section does not apply to an emergency services
professional using an electronic wireless communications device while
operating an authorized emergency vehicle, as defined in Section
165, in the course and scope of his or her duties.