New Style Heddolf P330-1KB replaces the P330-1K wireless keypad can have up to 60 individual 4-digit user codes and is ideal for gate or garage door openers that require more than one entry code. Wireless radio signal for the 9 trinary (+ 0 -) code switch type radio receivers by Allstar, Allister, Heddolf, Pulsar on the 318MHz frequency or Allstar MVP 318MHz receivers.