within a selected captured image frame the housing 16 supports reader circuitry 11 within an interior region 17 of the housing 16 the reader circuitry 11 includes a microprocessor 11 a and a power supply 11 b the power supply 11 b is electrically coupled to and provides power to the circuitry 11 the housing 16 also supports the imaging and decoding systems 12 14 within the housing 39 s interior region 17 the depicted reader 10 includes a docking station 30 adapted to receive the housing 16 the docking station 30 and the housing 16 support an electrical interface to allow electric coupling between circuitry resident in the housing 16 and circuitry resident in the docking station 30 the imaging and decoding systems 12 14 operate under the control of the microprocessor 11 a the imaging and decoding systems 12 14 may be separate assemblies which are electrically coupled or may be integrated into a single imaging and decoding system when removed from the docking station 30 of the reader 10 power is supplied to the imaging and decoding systems 12 14 by the power supply 11 b the circuitry of the imaging and decoding systems 12 14 may be embodied in hardware software firmware or electrical circuitry or any combination thereof moreover portions of the circuitry 11 may be resident in the housing 16 or the docking station 30 in a hand held or point and shoot.