View cart “SIMRAD RS100-B BLACKBOX VHF RADIO. INCLUDES NRS-2 VHF BLACKBOX MODULE WITH CLASS B AIS BUILT IN, AND ONE HS100 WIRED HANDSET AND ONE SP100 SPEAKER. ADD UP TO 4 TOTAL WIRED HANDSETS, 4 SPEAKERS AND 4 WIRELESS HS40 HANDSETS.” has been added to your cart.