we are using TI TCA8418 chip to control matrix keypad (please see our previous post with all the details at this link http://e2e.ti.com/support/logic/f/151/p/64748/ ...

List of Slim Keypad Mobiles in India with price, specs and reviews. You can also compare prices on different online stores and ask questions about the devices.

List of Nokia Keypad Mobile Phones (Nov 2024) with price ranging from Rs. 990 to Rs. 6,599. We have found 56 phones. Here is the summary of the results: ...