RAH Antennas TE Connectivity / Linx Technologies RAH Antennas offer a 410MHz to 2.6GHz frequency range, 50Ω impedance rating, and SMA or RP-SMA connector. The RAH series is ruggedly constructed and able to withstand punishing environments. The helical element design reduces the physical length of the antenna's housing, making them ultra-compact with a flexible main shaft. TE Connectivity / Linx Technologies RAH Antennas are ideal for products requiring an aesthetically pleasing antenna in a right-angle form factor.