... Meter Reading,Environment monitoring 433Mhz RF Module, 5Km Wireless Data Transceiver 8 Frequency Channels, Data Transmitter Meter Reading,Environment monitoring ... (>200millisecond), the module will be in sleep status, modules can not receive or transmit any data when sleep.Only when ... high level (VH<3.5V) or hangs/empty, module can be in receivingstatus again. The delay time for conversion between ...