Specifications: Cellular telephone jammer tee-01 * GSM compatible (operates only in the cellular phone range - no interference with other devices) * ease of use * miniature * harmless * built-in reversed voltage protection * cost-effective solution for maintains a silent environment for work, worship or relaxation * restrict unwanted rings and unallowed communications * operating range 15-20m depending on the distance to the nearest base station Moq - 50pcs Price - EUR 76,00 exw sofia, Bulgaria