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Wireless UART Module User Manual of E61 Series Modules
Copyright ©2012–2017, Chengdu Ebyte Electronic Technology Co., Ltd.
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1.
Features
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Continuous transmission:
At continuous transmission, the length of the data transmitted is unlimited, which enables continuous
transmission at baud rate of 57600/38400/19200/9600/4800/2400/1200.
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Fixed-length transmission:
Air data rate, FEC, password etc. are configurable for users. Users transmit data to other modules
with configured air data rate in the most efficient way, which achieves low-latency and high-response.
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User password:
65536 configurable addresses are reserved for users to define, which makes the module with matched password
receive the data.
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High speed transmission
: 433M features high speed and low latency. It is suitable for polling sampling, handshake response
communication, and supports Modbus protocols.
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Broadcast
transmission:
When the module address is set as 0xFFFF, the module can communicate with other modules in the
same channel. That enables broadcast and monitor.
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FEC:
Forward Error Correction has high coding efficiency & good correction performance. In case of sudden interference, it can
correct the interfered data packets proactively, so that the reliability & transmission range are improved correspondingly. Without
FEC, those data packets can only be dropped.
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Sleep
mode:
When the module works in sleep mode (Mode 3), it is available for configuration, but not for transmitting & receiving.
The typical current is few uA in this mode. It can still receive the configuration from the MCU.
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Watchdog:
With a built-in watchdog, the module runs precise layout and time. Once an exception occurs, the module will restart
in 0.107 second, and continue to work according to the previous parameters.
2.
Technical Parameters
Model
IC
Size
Net weight
Operating
temperature
Operating
humidity
Storage
temperature
E61-TTL-50
RF
21*36 mm
6.7±0.1g
-40 ~ 85℃
10% ~ 90%
-40 ~ 125°C
E61-TTL-1W
RF
24*43 mm
8.5±0.1g
-40 ~ 85℃
10% ~ 90%
-40 ~ 125°C