Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(400SL30P)User manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co., Ltd
Note: The lower the transmit power, the closer the transmission distance, but the working current won’t be declined in
exact proportion , it is recommended to use the maximum transmit power.
5.5 Air data rate
0.3、1.2、2.4、4.8、9.6、19.2、38.4、62.5k
Note: The higher the air data rate, the faster the transmission rate, the transmission distance is also closer; when the rate
meets the requirements , the lower air data rate, the better quality.
5.6 Current
Note: It is recommended to retain more than 50% of the current margin when selecting the power supply, which will help
the data transceiver to work steadily for a long time.
5.7 TX and RX FIFO and sub-packing method
Can be sub-packed to 32/64/128/240 byte each time
via command
Note: 1. When the receiving data is more than a single packet capacity, the beyond part will be automatically assigned to
the second transmission until it is completed;
2. The data transceiver can not receive data which is more than the buffer capacity;
6. Function Description
6.1 Fixed Transmission
（
Hexadecimal
）
During fixed-point transmission, the module recognizes the first three bytes of the serial data received as:
Address high + address low + channel, and use it as a wireless transmission target.
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