unshielded

adj.(used especially of machinery) not protected by a shield

Ethernet switch and router for unshielded twisted pair/optical integrated network and frame processing method thereof
Asymmetric Lateral Distribution of Unshielded Phosphate Groups in Nucleosomal DNA and Its Role in DNA Bending
Unshielded MR elements with patterned exchange-biasing
Unshielded three-axis vector operation of a spin-exchange-relaxation-free atomic magnetometer
Dosimetric characteristics of a new unshielded silicon diode and its application in clinical photon and electron beams
Bandwidth-efficient digital transmission over unshielded twisted-pair wiring
Chronopotentiometry and Chronoamperometry with Unshielded Planar Electrodes.
Bandwidth-efficient digital transmission up to 155 Mb/s over unshielded twisted pair wiring
Design and operation of spin valve sensors
Design And Operation Of Spin Valve Sensors