OD Series High Vibration 2.4GHz Omni Antenna. The MobileMark 2.4 GHz high vibration antenna provide an excellent solution for a large area network in extreme environments such as quarry, mining and oil field construction. The omni directional antenna OD5-2400/5500-MOD2-BLK will cover frequency ranges of 2.4GHz and 5.5GHz at 5 dBi. The OD-MOD2 series is made up from black fibreglass and aluminium that gives protection against the weather conditions. MobileMark's antennas give enhanced performances with the unique phasing, as it cancels out-of-phase current distribution. ? Uniform omni directional ? VSWR 2:1 max over band ? Antenna diameter,25mm ? Shock and vibration, EN 300 019-2-4, IEC 60068 ? OD3-2400MOD2-BLK, 2.4 GHz,3dBi ? OD6-2400MOD2-BLK 2.4 GHz, 6dBi ? OD5-2400/5500MOD2-BLK, 2.4 GHz and 5.5 GHz,5dBi