Ebyte E90-DTU User Manual
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Chengdu Ebyte Electronic Technology Co,;Ltd E90-DTU (433L37) user manualCopyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 105.2. Frequency range and channelsModel Default frequency Frequency range Channelspacing ChannelsHz Hz HzE90-DTU (433L37) 433M 410~441M 1M 32，half duplex★ Note: In the same area when multiple data transceivers are communicating one to one at the same time, it isrecommended to set the channel spacing between each group of data transceivers at 2MHz or more.5.3. Air data rateModelDefault air datarate Levels Air data rate(bps)bps bpsE90-DTU (433L37) 2.4k 6 0.3、1.2、2.4、4.8、9.6、19.2k★ Note: The higher the air data rate, the faster the transmission rate, the transmission distance is also closer; when therate meets the requirements, the lower air data rate, the better quality.5.4. Current parametersModel Transmitting current mA Standby current mA12V 24V 12V 24VE90-DTU (433L37) 1138 558 50 27★ Note: It is recommended to retain more than 50% of the current margin when selecting the power supply, which willhelp the data transceiver to work steadily for a long time.5.5. Transceiver Length and Sub-packing ModeModel Buffer Sub-packageE90-DTU (433L37) 512 bytes Automatic subcontracting of 197 bytes to send★ Note:1. If the data received by the station in a single time is larger than the capacity of a single packet, the excess datawill be automatically allocated to the second transmission until the completion of transmission.2. The data transceiver cannot receive data which is more than the buffer capacity; |
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