Τεχνικά Χαρακτηριστικά: Type: Expansion Card for GSM Ports GSM Ports: 2 Compatible PBX: ETERNITY PE Series Type of Antenna: SMA No. of Antenna: 1 (Extended) Frequency Bands: Quad-Band: GSM850, EGSM900, DCS1800, PCS1900 Application: Mobile Trunks and Extensions