XTR Models (10 pin IDC connector) 70-0351, 70-0355, 70-371, 70-0375, 70-1066, 70-1070, 70-1075, 70-1336, 70-1340, 70-1342, 70-1395, 70-1440, 70-1442, 70-1495, 70-1526, 70-1530, 70-1532, 70-1536, 70-1595, 70-1630, 70-1632, 70-1695, Syntech II (10 pin IDC connector) 70-0501, 70-0502, 70-0520, 70-0521, 70-0522, 70-0551, 70-0552, 70-0557, 70-0561, 70-0562, 70-0567, 70-3421, 70-3422, 70-4421, 70-4422, 70-4427, 70-3851, 70-3852, 70-4851, 70-4852, 70-4857, 70-5301, 70-5302, 70-6301, 70-6302, 70-6307, 70-0700, 70-1500, 70-2500, 70-4050, 70-4120, 70-3400, 70-3800, 70-5300, and the Extender (HT) inside the ST2 series radios that has a 10 pin IDC connector on the interface board. Some extenders used crystal controlled radios and cannot be programmed. Bantam (RJ45 Mic Connector) 70-1337, 70-1527 Titan (RJ45 Mic Connector) 70-0511, 70-0514, 70-0611, 70-0614, 70-0571, 70-0574, 70-0671, 70-0674, 70-1341, 70-1344, 70-1441, 70-1444, 70-1391, 70-1394, 70-1491, 70-1494, 70-1541, 70-1544, 70-1641, 70-1644, 70-1591, 70-1594, 70-1691, 70-1694, 70-2922,