A system for remotely controlling the radiation beams of multi-beam antennas, wherein the modular and scalable system internal to the antenna comprises: ✔ mechanical means based on, at least, one rotary movement transmission module for transmitting the rotary movement of a motor-reducer to a linear movement required by phase shifters included in the antenna and wherein the rotary movement transmission module is formed by: ∘ a modular bedplate set, anchored to the antenna frame, and; ∘ a motor set, removable and accessible from the lower part of the antenna, wherein, in the absence of rotation of the motor-reducer shaft, the beam can be manually adjusted by actuating a threaded spindle, wherein the tilt indicator plate indicates the reading of the actual antenna tilt position at all times; wherein the modular bedplate set is composed of a bedplate of the motor, the threaded spindle, a cart-nut, a fixation plate for fixing the threaded spindle, a first fixing screw for fixing the fixation plate, a first pinion of the threaded spindle, a lock washer, end-of-travel quick rivets, an end-of-travel micro-switch, the tilt indicator plate, a push rod of the phase shifter and second fixation screws for fixing the rod/tilt indicator plate. wherein the motor set is composed of the motor-reducer, an intermediate pinion, a second pinion of the motor-reducer shaft, a cover of the motor-reducer and third screws for joining the motor-reducer to its cover; wherein the third screws for joining the motor-reducer to its cover make it possible to seal the motor set in its entirety in order to convert it into a replaceable block; wherein based on the distance established between the motor-reducer shaft and the threaded spindle by means of the intermediate pinion, the motor-reducer may be removed or installed without releasing any pinion and without affecting the part connected to the phase shifters; wherein upon removing the motor set, the threaded spindle - nut assembly remains mounted with the tilt degree indicator plate and joined to the push rod of the phase shifter, allowing manual actuation of the projecting part of the spindle shaft and maintaining its functionality even with the motor uninstalled; and - electronic control means that govern the rotary movement transmission modules, wherein the electronic control means comprises: ∘ a control interface module; ∘ a control module, and; ∘ a motor connection module; wherein the control interface module comprises a plurality of control interfaces (20 i) through which it is capable of connecting to various independent control entities for independently controlling each beam through the rotary movement transmission modules; and wherein the control module in turn comprises: ∘ a control electronics module; ∘ a feed control module, and; ∘ motor drivers (27 i); wherein the motor connection module comprises as many motor connectors (28 i) as bands (30 i) configured in the antenna; wherein the assignment of bands (30 i) to control interfaces (20 i) is flexible and configurable through programming software written on an EEPROM memory of the control electronics module, wherein said programming software can be reprogrammed at any time; wherein the electronic control means additionally comprises: ∘ at least one housing set; and ∘ one removable cartridge connected to the housing set, the removable cartridge comprising the control interface module and the control module; such that the movement transmission modules that transmit the rotary movement of the motor-reducer and the electronic control means are connected by means of respective cables connected to connectors and. ✔ mechanical means based on, at least, one rotary movement transmission module for transmitting the rotary movement of a motor-reducer to a linear movement required by phase shifters included in the antenna and wherein the rotary movement transmission module is formed by: ∘ a modular bedplate set, anchored to the antenna frame, and; ∘ a motor set, removable and accessible from the lower part of the antenna, wherein, in the absence of rotation of the motor-reducer shaft, the beam can be manually adjusted by actuating a threaded spindle, wherein the tilt indicator plate indicates the reading of the actual antenna tilt position at all times; ∘ a modular bedplate set, anchored to the antenna frame, and; ∘ a motor set, removable and accessible from the lower part of the antenna, wherein, in the absence of rotation of the motor-reducer shaft, the beam can be manually adjusted by actuating a threaded spindle, wherein the tilt indicator plate indicates the reading of the actual antenna tilt position at all times; - electronic control means that govern the rotary movement transmission modules, wherein the electronic control means comprises: ∘ a control interface module; ∘ a control module, and; ∘ a motor connection module; ∘ a control interface module; ∘ a control module, and; ∘ a motor connection module; ∘ a control electronics module; ∘ a feed control module, and; ∘ motor drivers (27 i); ∘ at least one housing set; and ∘ one removable cartridge connected to the housing set, the removable cartridge comprising the control interface module and the control module;