Ebyte E29-T Series User Manual page 18

Chengdu Ebyte Electronic Technology Co., Ltd.
04H Read/
REG1
Write
Read/
05H REG2
Write
Read/
06H REG3
Write
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0 0 8N1（default）
0 1 8O1
1 0 8E1
1 1 8N1（equal to 00）
2 1 0 Wireless air data rate（bps）
0 0 0 Air data rate 2.4k（default）
0 0 1 Air data rate 2.4K
0 1 0 Air data rate 2.4K
0 1 1 Air data rate 4.6k
1 0 0 Air data rate 8.2k
1 0 1 Air data rate 4.8k
1 1 0 Air data rate 16.4k
1 1 1 Air data rate 16.4k
7 6 Sub packet setting
0 0 240 bytes（default）
0 1 128 bytes
1 0 64 bytes
1 1 32 bytes
5 RF Power Mode
0 DCDC mode（default）
1 LDO mode
4 3 2 Reserve
1 0 Transmitting power
0 0 22dBm（default）
0 1 20dBm
1 0 17dBm
1 1 14dBm
Channel control（CH）
0-83 represents a total of 84 channels
7 Enable RSSI
0 Disable（default）
1 Enable
6 Transmission mode
0 Transparent transmission mode（default）
1 Fixed point transmission mode
5 Repeater function
0 Disable repeater function（default）
1 Enable repeater function
E29-400TXXX product data sheet
serial parity bit.
The communication parties must have the same air
data rate.
The higher the air data rate is, the smaller the
delay in response, and the shorter the transmission
distance is.
0~4: BW = 250K
5~7: BW = 500K
When the data sent is smaller than the sub packet
length, the serial output of the receiving end is an
uninterrupted continuous output.
When the data sent is larger than the sub packet
length, the serial port in receiving end will sub
packet the data and then output them.
Users can change the RF power mode through AT
commands:
1. DCDC mode reduces power consumption by
sacrificing sensitivity;
2. LDO mode improves sensitivity by sacrificing
power consumption;
3. It is recommended to use DCDC mode for
battery-powered devices.
Power and current are nonlinear, and power
efficiency is highest at maximum power.
The current does not decrease in proportion to the
decrease in power.
Actual Frequency= 410.125 + CH *1M
After enabled, when the module receives the
wireless data, it will follow an RSSI strength byte
after output via the serial port TXD
In Fixed point transmission mode, the module
recognizes the first three bytes of the serial data
as: address high + address low + channel and takes
it as the wireless transmitting target.
After the repeater function is enabled, if the target
address is not the module itself, the module will
forward it once.
In order to prevent data return-back, it is
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