GSM Desk Phone 6588 Quad-Band Fixed Wireless Landline Replacement

1 Quad-band GSM support: 850 / 900 / 1800 / 1900 MHz (works with most SIM cards globally) 2 SIM card slot (single or dual SIM variants) 3 No landline needed – uses mobile network instead 4 LCD screen (about 2.4") with caller ID 5 SMS + phonebook support 6 Hands-free speakerphone 7 FM radio + alarm/calendar 8 Call logs (incoming/outgoing/missed) 9 Battery backup (≈48 hours standby) 10 External antenna support for stronger signal