The KT11835T SMT receiving transponder coils for low frequency antennas feature tolerances of ±2%, 3% or 5%, inductance at 125 kHz of between 1 and 12 mH, and an operating temperature range of -40° to ...

An RF signal can be radiated effectively if the linear dimension of the antenna is comparable with the wavelength of the operating frequency. In an RFID application utilizing the VLF (100 kHz – 500 ...

A newly licensed amateur radio operator’s first foray into radios is likely to be a VHF or UHF radio with a manageable antenna designed for the high frequencies in these radio bands. But these radios ...

All-American type T-1 toroidal antenna coil in original package. Marked: "[Indian head logo] / All-American / Patent Appld. For / Antenna Coupler / Type T-1 / Toroid Coil / All-American Radio Corp. / ...

Marked: "De Forest Coil / Antenna / Pat. 2-17-03 / 10-11-04 / 12-15-05 / 4-22-06 / Other Patents Pending". This antenna is a plug-in unit for use with De Forest D-17 and D-12 Radiophone receivers. A ...

Premo Group, a provider of electromagnetic motion tracking sensing solutions, has unveiled the 3DCC03 series, said to be the smallest 3D coil receiver antenna on the market. With a 60% smaller size ...