Function FWT, Fixed wireless terminal, 8 ports FWT, GSM 8 ports FWT with IMEI changer, 8 ports FWT with 32 cards, SIM auto rotate FWT -Call termination & call origination -Network Support: GSM 850 MHz 900 MHz 1800 MHz 1900 MHz CDMA 800MHz 1900MHz -standard RJ-11 (FXS) to telephone or voip gateway & PABX -4SIM automatic rotator (8 CHL 32 SIM cards) (optional) - rotator by really clock (4 time oclock) - rotator by dial times - rotator by total talking minutes - rotator by working hours -IMEI changing function(optional) You can change the IMEI to any 15-digital code. -One Number Unified (optional) You only need to tell your customers one telephone number of the 8 ports equipment instead of telling them all the 8 telephone numbers. If there is an incoming call, the equipment will auto switch it to the free channel. -Call Forwarding -Caller ID -Callback Function -Provide accurate anti-polarity signal -Support DTMF -Support 2nd Stage Dialing -Polarity reversal -Barred telephone numbers can be set flexibly -Locking wireless terminal, Locking SIM card, Locking districts and locking network -Simple to install and easy to maintain -High-quality voice -Enhanced high gains external antenna -Wide voltage range & Low power consumption -Separate Power On/Off controller Package(Standard carton,1pcs/carton): G.W:4.5kg User¡¯s Manual:1pcs Power Supply Cable:1pcs GSM Antenna with 3m cable:8pcs Product dimension:L455x W280 x H45mm Gift box dimension:L510x W300x H64mm