Md. Code, Criminal Law § 7-301

(a) (1) In this section the following words have the meanings indicated.

(2) “Code grabbing device” means a device that is capable of:

(i) receiving and recording the coded signal transmitted by an electronic security system; and

(ii) playing back the coded signal to disarm the electronic security system.

(3) “Electronic security system” includes:

(i) an electronic home security system;

(ii) a motor vehicle security alarm system;

(iii) an automatic garage door opener;

(iv) a home detention monitoring device; and

(v) an electronic or magnetic theft detection device used in a retail establishment.

(b) A person may not manufacture, sell, use, or possess a code grabbing device with the intent that the code grabbing device be used in the commission of a crime.

(c) A person may not knowingly possess a device intended to shield merchandise from detection by an electronic security system with the intent to commit theft.

(d) A person may not knowingly possess a tool or device designed to allow the deactivation or removal from any merchandise an electronic security system or a device used as part of an electronic security system with the intent to:

(1) use the tool or device to deactivate any electronic security system; or

(2) remove any electronic security system or device used as part of an electronic security system from any merchandise without the permission of the merchant or person owning or lawfully holding the merchandise.

(e) A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 1 year or a fine not exceeding $1,000 or both.