Motorola NNTN8274A is a "core-style" charger for the DP3400 and DP4400 series of two way radios. The DP series core charger is compatible with the DP2400, DP2600, DP3400, DP3600, DP4400, DP4600 and DP4800 two way radios.
Not compatible: The DP3441 is not compatible with this charger. the DP3441, whilst it is part of the MOTOTRBO range of radios, takes the Motorola PMLN5195B GP340 series charger. The DP1400 is also not compatible with this charger. The DP1400 takes the Motorola PMLN5191B CP040 Charger.