Honeywell 4GL Cellular Communications Module for L5200 and L7000 Controls This product (4GL) has been discontinued and replaced by the Honeywell Intrusion 3GL Cellular Communicator. Although the new name is counterintuitive, the Honeywell 3GL is the newest version. Cell Communicator for L5200 and L7000 panels Can be installed in conjunction with the L5100WiFi or Zwave modules Cannot be installed in conjunction with the ILP5 ethernet communicator