A computing device (106, 204, 400, 410) for collecting and communicating metrology data, the computing device comprising: a housing; an antenna (424, 426); one or more input ports to receive the metrology data from one or more water sensors; an internal power supply module, disposed inside the housing, including one or more batteries coupled to one or more supercapacitors; a microcontroller comprising one or more processors for controlling operations of the computing device; a radio frequency transceiver (404, 414), coupled to the antenna to communicate signals using a low-power wide area network, LPWAN, standard; and computer-readable media storing computer-executable instructions that, when executed by the one or more processors, cause the computing device to perform acts comprising: receiving a signal, via the radio frequency transceiver, including information; entering a low-power mode for a first predefined period of time; based at least in part on detecting an end of the first predefined period of time, switching from the low-power mode to a communication mode for a second period of time, wherein at least one of the first predefined period of time or the second period of time is determined based at least in part on the information; while in the communication mode, transmitting, via the radio frequency transceiver, a signal representing a portion of the metrology data, wherein the radio frequency transceiver receives power from the one or more supercapacitors to transmit the signal; and in response to transmitting the signal, causing the computing device to enter the low-power mode for the first predefined period of time. a housing; an antenna (424, 426); one or more input ports to receive the metrology data from one or more water sensors; an internal power supply module, disposed inside the housing, including one or more batteries coupled to one or more supercapacitors; a microcontroller comprising one or more processors for controlling operations of the computing device; a radio frequency transceiver (404, 414), coupled to the antenna to communicate signals using a low-power wide area network, LPWAN, standard; and computer-readable media storing computer-executable instructions that, when executed by the one or more processors, cause the computing device to perform acts comprising: receiving a signal, via the radio frequency transceiver, including information; entering a low-power mode for a first predefined period of time; based at least in part on detecting an end of the first predefined period of time, switching from the low-power mode to a communication mode for a second period of time, wherein at least one of the first predefined period of time or the second period of time is determined based at least in part on the information; while in the communication mode, transmitting, via the radio frequency transceiver, a signal representing a portion of the metrology data, wherein the radio frequency transceiver receives power from the one or more supercapacitors to transmit the signal; and in response to transmitting the signal, causing the computing device to enter the low-power mode for the first predefined period of time. receiving a signal, via the radio frequency transceiver, including information; entering a low-power mode for a first predefined period of time; based at least in part on detecting an end of the first predefined period of time, switching from the low-power mode to a communication mode for a second period of time, wherein at least one of the first predefined period of time or the second period of time is determined based at least in part on the information; while in the communication mode, transmitting, via the radio frequency transceiver, a signal representing a portion of the metrology data, wherein the radio frequency transceiver receives power from the one or more supercapacitors to transmit the signal; and in response to transmitting the signal, causing the computing device to enter the low-power mode for the first predefined period of time.