871.5.
(a) Except as authorized by law, or when authorized by the person in charge of any county juvenile hall, ranch, camp, or forestry camp, or by an officer of any juvenile hall or camp empowered by the person in charge to give that authorization, any person who knowingly brings or sends into, or who knowingly assists in bringing into, or sending into, any county juvenile hall, ranch, camp, or forestry camp, or any person who while confined in any of those institutions possesses therein, any controlled substance, the possession of which is prohibited by Division 10 (commencing with Section 11000) of the Health and Safety Code, any firearm, weapon, or explosive of any kind, or any tear gas or tear gas weapon shall be punished by imprisonment in a county jail for not more than one year or by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code.(b) Except as otherwise authorized in the manner provided in subdivision (a), any person who knowingly uses tear gas or uses a tear gas weapon in an institution or camp specified in subdivision (a) is guilty of a felony.
(c) A sign shall be posted at the entrance of each county juvenile hall, ranch, camp, or forestry camp specifying the conduct prohibited by this section and the penalties therefor.
(d) Except as otherwise authorized in the manner provided in subdivision (a), any person who knowingly brings or sends into, or who knowingly assists in bringing into, or sending into, any county juvenile hall, ranch, camp, or forestry camp, or any person who while confined in such an that institution knowingly possesses therein, any alcoholic beverage shall be guilty of a misdemeanor.
(e) Any person who knowingly brings or sends into, or who knowingly assists in bringing into, or sending into, any county juvenile hall, ranch, camp, or forestry camp a wireless communication device, including, but not limited to, a cellular telephone or watch, pager, or other wireless internet device, who is not authorized to possess that item is guilty of a misdemeanor, punishable by a fine of not more than one thousand dollars ($1,000).
(e) (f) This section shall not be construed to preclude or in any way limit the applicability of any other law proscribing a course of conduct also proscribed by this section.