The Ubiquiti airGateway is a very small, cheap, POE powered WiFi AP or client, with an optional built-in router. It is powered by a Ubiquiti POE adapter, and includes an internal antenna.
These are now End Of Life (EOL). They have been replaced by the new ACB-ISP.
Functions: AP, AP-WDS, Station,Station WDS
Modes: Bridge, Router, SOHO Router
Operating system: airOS (without airMAX)
Power: POE (between 15 and 24 V)
Size: 54 x 44 x 33 mm
Weight: 56g
Frequency: 2.4 GHz WiFi
Compatibility: 802.11 b/g/n
Transmitter power (EIRP): 802.11b = 18 dBm (60 mW), 802.11g/n = 15 dBm (30 mW)
Antennas : 1, internal (SISO), 1 dBi gain