The Sheepdog QD83 Quick Disconnect Adapter is compatible with Motorola APX1000, APX2000, APX3000, APX4000, APX4000XH, APX5000, APX6000, APX6000LI, APX6000XE, APX7000, APX7000XE, APX8000, APX8000H, APX8000HSRX, APX8000HXE, APX8000XE, APX900, SRX2200, XPR6000, XPR6100, XPR6300, XPR6350, XPR6380, XPR6500, XPR6550, XPR6580, XPR7000, XPR7000E, XPR7300, XPR7350, XPR7350E, XPR7380, XPR7380E, XPR7500, XPR7550, XPR7550E, XPR7580, and XPR7580E