A legal signal booster will have an ICASA T/A number sticker on the product box as well as a sticker stuck on the product itself. It will look like this: T/A-2018/1358   This T/A number can be checked on the ICASA T/A database. This informs you the customer that the seller is ICASA RF licensed and is a South African registered company. This gives you assurance of a guaranteed and aftersales service. This also tells you that the T/A approved appliance is authorized for use on the SA mobile operator network. An appliance