A system for locating a patient-swallowed pill transmitter, the system comprising: a swallowable-pill transmitter comprising: a circuit board; a first transmitting element electrically coupled with the circuit board, said first transmitting element configured to transmit a first signal, the first transmitting element having a first axis of transmission of the first signal substantially perpendicular to a longitudinal axis of the pill transmitter; a second transmitting element electrically coupled with the circuit board, said second transmitting element configured to transmit a second signal, the second transmitting element having a second axis of transmission of the second signal substantially perpendicular to the longitudinal axis of the pill transmitter and substantially perpendicular to the first axis of the first transmitting element; a third transmitting element electrically connected to the circuit board, said third transmitting element configured to transmit a third signal, the third transmitting element having a third axis of transmission of the third signal substantially parallel to the longitudinal axis of the pill transmitter; and a battery, characterized in, that the first transmitting element, the second transmitting element and the third transmitting element are arranged with respect to the circuity board to minimize interference with the metal in the battery, said first transmitting element and said second transmitting element being arranged to transmit in an axis not intersecting the body of the battery and said third transmitting element is arranged farther away from the battery compared to the first transmitting element and the second transmitting element to increase angle of field leaving the swallowable-pill transmitter. a circuit board; a first transmitting element electrically coupled with the circuit board, said first transmitting element configured to transmit a first signal, the first transmitting element having a first axis of transmission of the first signal substantially perpendicular to a longitudinal axis of the pill transmitter; a second transmitting element electrically coupled with the circuit board, said second transmitting element configured to transmit a second signal, the second transmitting element having a second axis of transmission of the second signal substantially perpendicular to the longitudinal axis of the pill transmitter and substantially perpendicular to the first axis of the first transmitting element; a third transmitting element electrically connected to the circuit board, said third transmitting element configured to transmit a third signal, the third transmitting element having a third axis of transmission of the third signal substantially parallel to the longitudinal axis of the pill transmitter; and a battery, characterized in, that the first transmitting element, the second transmitting element and the third transmitting element are arranged with respect to the circuity board to minimize interference with the metal in the battery, said first transmitting element and said second transmitting element being arranged to transmit in an axis not intersecting the body of the battery and said third transmitting element is arranged farther away from the battery compared to the first transmitting element and the second transmitting element to increase angle of field leaving the swallowable-pill transmitter.