Fixed Point Sending - Ebyte E90-DTU User Manual

Low-power digital radio

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Chengdu Ebyte Electronic Technology Co., Ltd.

(4) Channel

Configure different transmission frequencies, support 84 channels (410.125 ~ 493.125), each channel is

separated by 1MHz, and the channels of devices that communicate with each other must be consistent

(non-fixed-point mode);

(5) Transmit power level

Support four kinds of transmit power adjustment: high (30dBm±0.5), medium (reference value: 27dBm), low

(reference value: 24dBm), very low (reference value: 21dBm). The power will not reduce the power consumption

of the whole machine in the same proportion, and it is not recommended to reduce the power usage;

(6) Subpackage length

The maximum number of bytes of data in a single frame, data that exceeds the packet length is invalid, and the

packet lengths of devices that communicate with each other must be the same;

(7) Signal Strength Feedback (RSSI)

The initial state is 0. After receiving the data, the newly acquired signal strength will be stored in the holding

4.3.2 Fixed point sending

Support address function, the radio can transmit data to any address, any channel module, to achieve

networking, relay and other applications: For example: DTU_1 (address is 0x000F, channel is 0x0F) need to send

data to the radio DTU_2 (address is 0x0005, channel is 0x05) transmit data AABBCC (HEX: 414142424343), its

communication format is: 000505414142424343 (HEX), where 0005 is the address of the radio station DTU_2, and

05 is the radio station DTU_2 channel.

E90-DTU(400SL30L)_UserManual_EN

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