The Microtik/Routerboard wAP ac is a very affordable (low cost) weatherproof wireless access point. For US$80 there is a Gigabit Ethernet port, it supports 802.11ac technology, can work at both the 2.4GHz and 5GHz frequencies, and is even 802.3at powered over ethernet.
What could be interesting too is the option to attach external antenna’s.
Or to have such an access point integrated into an IP network camera over single CAT5 wiring. For example a Hikvision 3MP DS-2CD2732F-I(S) dome. Having identical mounting screw positions as the Hikvision would be beneficial as a drop-in replacement for that unit.