A dock (12, 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012) for a portable electronic device, the dock (12, 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012) comprising: a base (14, 1014) having a channel (24, 124, 224, 324, 424, 524, 624, 724, 824, 924, 1024); a first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016) supported by the base (14, 1014), the first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016) including a first hook (18, 118, 218, 318, 1018) coupled to an end of the first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016), the first hook (18, 118, 218, 318, 1018) being fixed relative to the first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016) and configured to engage a first edge of the portable electronic device; and a second arm (20, 320, 416, 616, 716, 816, 916, 1020) supported by the base (14, 1014), the second arm (20, 320, 416, 616, 716, 816, 916, 1020) including a side door (46, 346, 446, 546, 646, 746, 846, 946) movably coupled to an end of the second arm (20, 320, 416, 616, 716, 816, 916, 1020), the side door (46, 346, 446, 546, 646, 746, 846, 946) having a second hook (22, 322, 418, 518, 618, 918, 1022) configured to engage a second edge of the portable electronic device, wherein: the first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016), the second arm (20, 320, 416, 616, 716, 816, 916, 1020), or both is slidably received within the channel (24, 124, 224, 324, 424, 524, 624, 724, 824, 924, 1024) to change a distance between the first hook (18, 118, 218, 318, 1018) and the second hook (22, 322, 418, 518, 618, 918, 1022); and the side door (46, 346, 446, 546, 646, 746, 846, 946) is movable between a first position, in which the portable electronic device is secured to the dock (12, 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012), and a second position, in which the portable electronic device is removable from the dock (12, 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012); and a lock mechanism (42, 54, 380, 480, 580, 680, 780, 880, 980) is coupled to the second arm (20, 320, 416, 616, 716, 816, 916, 1020) and the side door (46, 346, 446, 546, 646, 746, 846, 946) to selectively secure the side door (46, 346, 446, 546, 646, 746, 846, 946) in the second position. a base (14, 1014) having a channel (24, 124, 224, 324, 424, 524, 624, 724, 824, 924, 1024); a first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016) supported by the base (14, 1014), the first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016) including a first hook (18, 118, 218, 318, 1018) coupled to an end of the first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016), the first hook (18, 118, 218, 318, 1018) being fixed relative to the first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016) and configured to engage a first edge of the portable electronic device; and a second arm (20, 320, 416, 616, 716, 816, 916, 1020) supported by the base (14, 1014), the second arm (20, 320, 416, 616, 716, 816, 916, 1020) including a side door (46, 346, 446, 546, 646, 746, 846, 946) movably coupled to an end of the second arm (20, 320, 416, 616, 716, 816, 916, 1020), the side door (46, 346, 446, 546, 646, 746, 846, 946) having a second hook (22, 322, 418, 518, 618, 918, 1022) configured to engage a second edge of the portable electronic device, wherein: the first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016), the second arm (20, 320, 416, 616, 716, 816, 916, 1020), or both is slidably received within the channel (24, 124, 224, 324, 424, 524, 624, 724, 824, 924, 1024) to change a distance between the first hook (18, 118, 218, 318, 1018) and the second hook (22, 322, 418, 518, 618, 918, 1022); and the side door (46, 346, 446, 546, 646, 746, 846, 946) is movable between a first position, in which the portable electronic device is secured to the dock (12, 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012), and a second position, in which the portable electronic device is removable from the dock (12, 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012); and a lock mechanism (42, 54, 380, 480, 580, 680, 780, 880, 980) is coupled to the second arm (20, 320, 416, 616, 716, 816, 916, 1020) and the side door (46, 346, 446, 546, 646, 746, 846, 946) to selectively secure the side door (46, 346, 446, 546, 646, 746, 846, 946) in the second position. the first arm (16, 116, 216, 316, 416, 616, 716, 816, 916, 1016), the second arm (20, 320, 416, 616, 716, 816, 916, 1020), or both is slidably received within the channel (24, 124, 224, 324, 424, 524, 624, 724, 824, 924, 1024) to change a distance between the first hook (18, 118, 218, 318, 1018) and the second hook (22, 322, 418, 518, 618, 918, 1022); and the side door (46, 346, 446, 546, 646, 746, 846, 946) is movable between a first position, in which the portable electronic device is secured to the dock (12, 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012), and a second position, in which the portable electronic device is removable from the dock (12, 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012); and a lock mechanism (42, 54, 380, 480, 580, 680, 780, 880, 980) is coupled to the second arm (20, 320, 416, 616, 716, 816, 916, 1020) and the side door (46, 346, 446, 546, 646, 746, 846, 946) to selectively secure the side door (46, 346, 446, 546, 646, 746, 846, 946) in the second position.