Min. Order Reference FOB Price
1 Piece US$150.00 / Piece
Product Description
4 Channels 4 sim card GSM FWT for pabx with DTMF Caller ID Can make GSM network + PSTN landline calls automatically Carry 4 GSM FXS+ 4 FXO PSTN Port with Low cost routing function Main advantage/features: sim card: 4 Requency: GSM 850/900/1800/1900MHZ quad band Interface: 4 FXS ...