A wireless data-collection system comprising: a remote asset; and a wireless data-transfer device connected to the remote asset for collecting data from the remote asset, the wireless data-transfer device including: a radiofrequency transceiver for wirelessly transmitting the data; and an integrated circuit chip having a memory for storing a plurality of subscriber identifiers corresponding to different wireless networks and for further storing network selection rules for selecting one subscriber identifier, the integrated circuit chip being adapted to apply the network selection rules for selecting one of the subscriber identifiers, and for causing the radiofrequency transceiver to transmit the data using one of the wireless networks corresponding to the selected one of the subscriber identifiers, wherein the wireless data-transfer device is configured to wirelessly receive a new subscriber identifier for a new wireless network, wherein the selected one of the subscriber identifiers is selected from a set of subscriber identifiers that includes the new subscriber identifier received by the wireless data-transfer device; and a subscriber management platform for subscriber provisioning, the subscriber management platform enabling creation, activation, deactivation and removal of subscriber accounts wherein the subscriber management platform comprises logic to assign to the wireless data-transfer device the new subscriber identifier for the new wireless network and to communicate the new subscriber identifier over-the-air to the wireless data-transfer device, and wherein the network selection rules are reconfigurable over-the-air by the subscriber management platform. a remote asset; and a wireless data-transfer device connected to the remote asset for collecting data from the remote asset, the wireless data-transfer device including: a radiofrequency transceiver for wirelessly transmitting the data; and an integrated circuit chip having a memory for storing a plurality of subscriber identifiers corresponding to different wireless networks and for further storing network selection rules for selecting one subscriber identifier, the integrated circuit chip being adapted to apply the network selection rules for selecting one of the subscriber identifiers, and for causing the radiofrequency transceiver to transmit the data using one of the wireless networks corresponding to the selected one of the subscriber identifiers, wherein the wireless data-transfer device is configured to wirelessly receive a new subscriber identifier for a new wireless network, wherein the selected one of the subscriber identifiers is selected from a set of subscriber identifiers that includes the new subscriber identifier received by the wireless data-transfer device; and a subscriber management platform for subscriber provisioning, the subscriber management platform enabling creation, activation, deactivation and removal of subscriber accounts wherein the subscriber management platform comprises logic to assign to the wireless data-transfer device the new subscriber identifier for the new wireless network and to communicate the new subscriber identifier over-the-air to the wireless data-transfer device, and wherein the network selection rules are reconfigurable over-the-air by the subscriber management platform. a radiofrequency transceiver for wirelessly transmitting the data; and an integrated circuit chip having a memory for storing a plurality of subscriber identifiers corresponding to different wireless networks and for further storing network selection rules for selecting one subscriber identifier, the integrated circuit chip being adapted to apply the network selection rules for selecting one of the subscriber identifiers, and for causing the radiofrequency transceiver to transmit the data using one of the wireless networks corresponding to the selected one of the subscriber identifiers, wherein the wireless data-transfer device is configured to wirelessly receive a new subscriber identifier for a new wireless network, wherein the selected one of the subscriber identifiers is selected from a set of subscriber identifiers that includes the new subscriber identifier received by the wireless data-transfer device; and a subscriber management platform for subscriber provisioning, the subscriber management platform enabling creation, activation, deactivation and removal of subscriber accounts wherein the subscriber management platform comprises logic to assign to the wireless data-transfer device the new subscriber identifier for the new wireless network and to communicate the new subscriber identifier over-the-air to the wireless data-transfer device, and wherein the network selection rules are reconfigurable over-the-air by the subscriber management platform.