Motorola 15012157001 accessory port cover DP4400 DP4600 DP4800 also DP3400 etc
Motorola 15012157001 accessory port cover for DP4400, DP4401, DP4600, DP4601, DP4800, DP4801 aand also the newer "e" versions of those models. Motorola original, not Chinese copies.