The active SYM point of interface (ASPOI) is the prefered 3rd party DAS POI due to it's innovative approach to remotely manage and monitor the DS systems power levels via its GUI.  Its modular design allows mix-and-match of different band cards.  It handles up to 48dBm on High Power Mode and 38dBm on Low Power mode.  In the event of power failure, it bypasses to “Safe Mode” to ensure continuous service.  Integrated CW tone generator and monitoring ports for both uplink and downlink.

The S1900 card supports 1900 MHz EPCS band.