Ceramic chip antennas single frequency uhf vishay vj5301m433mxbsr a 433mhz surface mounting ceramic chip antenna that is a high performance device with a 35 x 5 x 12mm small form factor the performance of this device makes it possible for manufacturers to design high quality products without the technical and commercial penalties of a large external antenna the chip antenna is manufactured using unique materials and manufacturing technologies and has been designed to be reflow soldered on