It is designed to ensure the safety of explosive service personnel when performing tasks to search for and neutralize radio-controlled explosive devices (RCED). The RCED blocker provides reliable suppression (prevention of operation) of RCED in the frequency range of 20...500 MHz. It can be used with all existing means of searching for explosive devices without interfering with their operation. The RCED blocker has a built-in battery, ensuring its autonomous operation. To increase the time of continuous operation of the blocker, the device is equipped with an additional battery power supply.