The New Comers, Samsung B5722 and C6112 DuoS

The 2 new comers seem to join Samsung Duos line, B5722 and the C6112. The touch slider phones are capable of using 2 SIM cards simultaneously.
Samsung B5722
This Dual SIM device is touchscreen bar with almost the same look and specification with Samsung Preston. It supports quad-band GSM/EDGE connectivity with the secondary SIM card that dual-band. The two cards can be functioned for data transfers.
The size is 104 x 54.9 x 14.4 mm features a 2.8″ QVGA screen. As usual, it runs on TouchWiz UI. It also sports a 3Mpx camera with LED flash. The built in memory is expandable up to 8GB using a microSD card. The others are FM radio, Bluetooth, Facebook and MySpace. The battery is 1200mAh.
Samsung C6112
The traditional look, Samsung C6112 is a slider phone. It supports quad-band GSM/EDGE on the first SIM card and dual-band GSM on the second card. They can be activated simultaneously. The second SIM card comes without data connectivity.
The remaining features are a 2.4″ QVGA TFT screen plus a 2MP camera, a music player, FM radio with RDS as well as a memory card slot for microSD cards up to 8GB.
They should be available in December.
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