SIMATIC RF600 Antenna RF642A linear (broadband) Frequency range 865 to 928 MHz Dimensions 185 x 185 x 45 mm (L x W x H) IP65, -25 to +75 °C. The SIMATIC RF Antenna RF642A is a robust, compact standard antenna for industrial applications in production and logistics. With linear polarization, it is particularly suitable for highly metallic environments or in the presence of strong reflections. Due to its broadband design, the antenna is equally suitable for use in Europe, the USA, and China.