Hi All,  One of my customer will be purchasing MR74 or MR84, would like to check if these antennas waterproof as well?   Meraki 4/7 dBi Dual-Band Omni Antenna Set (MA-ANT-20) Meraki Dual–Band Patch Antenna, 8 / 6.5 dBi (MA-ANT-25)   Thanks in advance! ... View more