Availability

• check In stock(25)

Keypad circuitry

• check Matrix(20)

Number of buttons

• check 1(2)
• check 2 (2x1)(2)
• check 3 (3x1)(1)
• check 4 (4x1)(2)
• check 6 (3x2)(1)
• check 6 (6x1)(1)
• check 12 (3x4)(11)
• check 16 (4x4)(5)
• check 20 (5x4)(4)