1-1982564-1 is an external dual band WLAN antenna designed for wireless communication applications in the 2.4 GHz and 5 GHz frequency bands. It features a frequency range of 2400 MHz to 2500 MHz and 5150 MHz to 5875 MHz, with a nominal impedance of 50 Ohm and a peak gain of 2.0 dB (excluding cable loss). The antenna includes an MHF plug connector for 1.13mm coaxial cable, with a polycarbonate lower base and ABS+PC upper base construction in black color. With a VSWR of =1.92, return loss of =-10 dB, and vertical polarization, this antenna operates within a temperature range of -10°C to 55°C. It is ideal for WLAN devices, wireless routers, and IoT applications requiring reliable dual band connectivity.