Replacement antenna for single-input XM radios * Recommended for all XM radio products * Extra long 23" cable, Low profile design * Replacement antenna for single-input XM radios (dual-input radios require XM-SP splitter) * Recommended for all XM radio products * Extra long 23" cable * Low profile design * Measures 1.38 x 0.5 x 1.25 inches (W x H x D)