In this paper, a planar triple band symmetric meandered arms monopole antenna for wireless local area network (WLAN) WiMAX applications is presented. The antenna consists of two symmetric Meandered arms radiating strip leading to generate three separate resonant modes where the first mode is for the 2.4 GHz band and the second mode is for the 3.5 GHz band operation and third mode is for the 5.8GHz band. Adopting irregular rectangular with the circular-slot improves the antenna impedance bandwidth simultaneously. This purposed antenna is fed by a coaxial probe through a SMA connector. The triple-band antenna achieves a bandwidth of ~7.5% (2.3-2.48 GHz) for the 2.4GHz frequency band and ~5% (3.41-3.58 GHz) for the 3.5GHz frequency band and ~6.5% (5.54-5.9GHz) for the 5.8GHz frequency band, and owns good radiation characteristics impedance bandwidths. Finally,the proposed antenna is fabricated and measured. The measured results are in good agreement with simulated ones and the antenna can be applied for the actual wireless communication.