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A system provides a charging and a connection for a mobile unit. The system includes a housing of a mobile unit that couples to a latch. The housing comprises a loop and a panel. The loop is disposed on a top portion of the housing and receives a hook of the latch. The panel is disposed on a back po

A system provides a charging and a connection for a mobile unit. The system includes a housing of a mobile unit that couples to a latch. The housing comprises a loop and a panel. The loop is disposed on a top portion of the housing and receives a hook of the latch. The panel is disposed on a back portion of the housing and receives a corresponding panel of the latch. The panel includes a first set of electrical contacts that couple to a second set of electrical contacts of the corresponding panel to establish an electrical connection.

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What is claimed is: 1. A housing of a mobile unit for coupling to a latch, the housing comprising: a loop disposed on a top portion of the housing and receiving a hook of the latch; and a panel disposed on a back portion of the housing receiving a corresponding panel of the latch, the panel includi

What is claimed is: 1. A housing of a mobile unit for coupling to a latch, the housing comprising: a loop disposed on a top portion of the housing and receiving a hook of the latch; and a panel disposed on a back portion of the housing receiving a corresponding panel of the latch, the panel including a first set of electrical contacts that couple to a second set of electrical contacts of the corresponding panel to establish an electrical connection, wherein the loop is contoured to enable a pivoting motion around a point where the loop and the hook contact. 2. The housing of claim 1, wherein the pivoting motion corresponds to a shape of a guiding mold coupled to the latch. 3. The housing of claim 1, wherein the electrical connection is used to exchange data between the mobile unit and a further device, the further device being in communication with the latch. 4. The housing of claim 1, further comprising: a first locking mechanism coupling to a corresponding locking mechanism of the latch. 5. The housing of claim 4, wherein the first locking mechanism is disposed on the panel. 6. The housing of claim 4, wherein the housing couples to the latch of a module that adds a functionality to the mobile unit. 7. The housing of claim 6, wherein the functionality is one of a radio frequency identification (RFID) module, a magnetic stripe reader (MSR), a debit MSR having a data input arrangement, a near field communications reader, a charging accessory, a serial printer cable, and a universal serial bus (USB) printer cable. 8. A latch for coupling to a housing of a mobile unit, comprising: a hook disposed at an end of an extension from an attaching mechanism, the hook being received by a loop disposed on a top portion of the housing; and a panel disposed at the end of the extension being received by a corresponding panel of the housing, the panel including a first set of electrical contacts that couple to a second set of electrical contacts of the corresponding panel to establish an electrical connection, wherein the hook is contoured to enable a pivoting motion around a point where the loop and the hook contact. 9. The latch of claim 8, further comprising: a guiding feature having a shape corresponding to the pivoting motion. 10. The latch of claim 8, wherein the latch is in communication with a further device so that the electrical connection is used to exchange data between the mobile unit and the further device. 11. The latch of claim 8, further comprising: a first locking mechanism coupling to a corresponding locking mechanism of the housing. 12. The latch of claim 11, wherein the first locking mechanism is disposed on the panel. 13. The latch of claim 11, wherein the latch is part of a module that couples to the housing to add a functionality to the mobile unit. 14. The latch of claim 13, wherein the functionality is one of a RFID module, a MSR, a debit MSR having a data input arrangement, a near field communications reader, a charging accessory, a serial printer cable, and a USB cable. 15. The latch of claim 8, wherein the hook has a shape corresponding to a shape of the loop, the hook being replaceable with a further hook which shape corresponds to a shape of a further loop, the shape of the further loop being different than the shape of the loop. 16. A system, comprising: a housing of a mobile unit comprising a loop disposed on a top portion of the housing and a first panel disposed on a back portion of the housing, the panel including a first set of electrical contacts; and a latch comprising a hook disposed at an end of an extension from an attaching mechanism and a second panel disposed at the end of the extension, the panel including a second set of electrical contacts, wherein the first panel receives the second panel so that the first set of electrical contacts couple to the second set of electrical contacts to establish an electrical connection, wherein the electrical connection is used to exchange data between the mobile unit and a further device, the further device being in communication with the latch. 17. The system of claim 16, wherein the housing couples to a first side of a module and the latch couples to a second side of the module, the module being disposed between the housing and the latch, the module comprising a module hook and a first module panel on the first side and a module loop and a second module panel on the second side. 18. The system of claim 17, wherein the loop receives the module hook, the first panel receives the first module panel, the first module panel including a third set of electrical contacts coupling to the first set of electrical contacts, the hook being received by the module loop, the second panel being received by the second module panel, the second module panel including a fourth set of electrical contacts coupling to the second set of electrical contacts. 19. The system of claim 17, wherein the module adds a functionality to the mobile unit, the functionality being one of a RFID module, a MSR, a debit MSR having a data input arrangement, a near field communications reader, a charging accessory, a serial printer cable, and a USB printer cable.