Zone Hardwired Expansion Modules @ 150 $ 900 (This will replace all existing Radionics Expansion boards) (12) Honeywell 4209U V-Plex Modules for 2-Wire & 4-Wire Smokes @ 150 $ 1,800 (2) Honeywell 6160RF English Text Keypad w/ RF Receivers @ 250 $ 500 (2) Resolution Technology RF Repeaters @ 25