YBO-BSB/BSB2C Base Sounder Beacons HCP Range3Analogue Manual Call Points CHQ-CB/WB/AB C Addressable Beacons CHQ-POM3Powered Output Module CHQ-SIM3Single Input Module CHQ-ARI C Addressable Remote Indicator C = device clips straight onto Programmer, 2 = in conjunction with PL-2 Programming ...