High-speed continuoustransmission modem, support Modbus protocol, ultra long-distance, unlimitedpacket length, continuous transmission without interruption,low-latency/high-response half-duplex communication; multiple power options,support RS232 and RS485 interfaces, suitable for : High-speed continuoustransmission, industrial control Modbus, RC flight control.
Continuoustransmission: At continuous transmission, the length ofthe data transmitted is unlimited, which enables continuous
transmission at baud rate of57600/38400/19200/9600/4800/2400/1200.
l 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 mostefficient way, which achieves low-latency and high-response.
l User password: 65536 configurable addresses are reservedfor users to define, which makes the module with matched password
receive the data.
lModbus: 433M features high speed and low latency. It issuitable for polling sampling, handshake response
communication, and supports Modbusprotocols.
l Broadcast transmission: When the module address is set as 0xFFFF,the module can communicate with other modules in the
same channel. That enables broadcast andmonitor.
l FEC: Forward Error Correction has high coding efficiency &good correction performance. In case of sudden interference, it can
correct the interfered data packetsproactively, so that the reliability & transmission range are improvedcorrespondingly. Without
FEC, those data packets can only bedropped.
l Watchdog: With a built-in watchdog, the module runsprecise layout and time. Once an exception occurs, the module will restart
in 0.107 second, and continue to work according to theprevious parameters.
LoRa spread spectrum technology, makesthe transmission distance and penetration ability are two times thantraditional FSK; active correction of interfered data packets, makingcommunication distance farther, anti-interference ability stronger; ultra-lowpower consumption.
LoRa: LoRaspread-spectrum means the transmitting distance is much longer than before.Confidentiality is high and the
possibility of being intercepted isextremely low Strong ability of anti-interference, which has a stronginhibitory capacity for the
Co-Channel Interference and all kinds ofnoises, and with excellent performance of anti multipath fading.
Ultra-low powerconsumption: It supports WOR to reduce overall powerconsumption. In power-saving mode(Mode 2), it can
regulate overall power consumption bysetting receiving response delay; The maximum receiving response delay can beconfigured
as 2000ms，and the average current is about 30uA.
Fixedtransmission: Module can communicate with othermodules which work in different channels and addresses, it is easy for
networking and repeater. For example:module A transmits AA BB CC to module B (address: 0x00 01, channel: 0x80), HEXformat is
00 01 80 AA BB CC (00 01 refers to theaddress of module B, 80 refers to the channel of module B), then module Breceives AA BB CC
(only module B).
Broadcasttransmission: Set the module address as 0xFFFF, then themodule can communicate with other modules in same
channel.
FEC: ForwardError Correction, high coding efficiency & good correction performance. Inthe case of sudden interference, it can
correct the interfered data packetsproactively, so that the reliability & transmission range are improvedcorrespondingly. Without
FEC, those data packets can only bedropped.
Sleep mode: Whenthe module works in sleep mode (mode 3), transmitting & receiving is notavailable, while the configuration is
available. The typical current is 6.0uA inthis mode.
Watchdog: Modulewith a built-in watchdog, layout and precise time, once an exception occurs,the module will restart in 0.107
seconds, and will continue to work on theprevious parameter Settings.
Parametersaving: The parameters will be saved after setting and won’tbe lost when powers-off. After power-up again,
modules work as the previous parameters.
Application: Asfree frequency, 433M can be used directly. With the capability of penetrationand diffraction, this module is
suitablefor the environment with small packet, long transmission distance andvulnerable to interference.
