Mikrotik RouterBoard mAP RBmAP2nD Micro Wireless Access Point Dual-Chain 2.4GHz Access Point with full RouterOS capabilities
It is very portable, since it accepts power from a wide variety of sources - USB, Passive PoE and power jack
The mAP also works as a PoE injector - the second Ethernet port provides up to 500mA of power to another device, for example, you can connect a SXT CPE device to it
Mikrotik RBmAP2nD 650MHz CPU, 64MB RAM, 2x Ethernet Ports, PoE out, Antenna 1.2dBi built in, Dimensions 68x68x19mm, Ethernet 2x 10/100 Mbit/s Ethernet with Auto-MDI/X
Mikrotik RBmAP2nD Included parts: 24V 0.8A power adapter, microUSB type B to USB type A adapter