Chengdu Ebyte Electronic Technology Co., Ltd.
E220-400T30S User manual
Copyright ©2012–
2018
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
16
03H
Read/Wr
ite
REG1
7
，
6
：
Sub packet setting
00: 240 bytes
（
default
）
01: 128 bytes
10: 64 bytes
11: 32 bytes
--------------------------------------
5
：
RSSI Ambient noise enable
1: Enable
0: Disable
（
default
）
--------------------------------------
4
，
3
，
2 Reserve
--------------------------------------
1
，
0
：
Transmitting power
⚫
When the data is smaller than the sub packet length,
the serial output of the receiving end is an
uninterrupted continuous output.
When the data is larger than the sub packet length,
the receiving end serial port will output the sub
packet.
--------------------------------------------
⚫
When enabled, the C0 C1 C2 C3 command can be
sent in the transmitting mode or WOR transmitting
mode to read the register.
Register 0x00: Current ambient noise rssi
Register 0X01: rssi when the data was received last
time.
（
Current channel noise is: dBm =-RSSI/2
）
Command format: C0 C1 C2 C3 + starting a
read length
Returns: C1 + address address + read length + read
valid value
E.g: send C0 C1 C2 C3 00 01
Return C1 00 01 rssi
----------------------------------
⚫
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.
04H
Read/Wr
ite
REG2
Channel control
（
CH
）
0-83 represents a total of 84 channels
⚫
Frequency= 410.125 + CH *1M
Summary of Contents for E220-400T30S
Page 1: ...E220 400T30S User Manual ...
