SLR-434M
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SLR-434M - 1

Low Power Radio Modem The SLR-434M is a narrowband embedded radio modem for the 434 MHz ISM band. Compact and designed for ease of use, it incorporates LoRa® technology to achieve extremely long range at low power, albeit at low bit rate. Its superior sensitivity allows the possibility of communication into areas once considered difficult for RF to penetrate. The SLR-434M uses a dedicated command system with a simple to use proprietary protocol. In addition to serial data transmission, the module also includes 8 x IO ports for switching signals allowing transmission of signals from sensors or for driving relays. Narrowband CE / UKCA marking Extremely long range operation achieved by LoRa mode. Higher resistance to urban noise, enabling long range operation Switchable between FSK mode and LoRa mode UART interface Transmission of up to 8 switching signals Low power consumption makes battery power operation possible Compact size 429 MHz (Japan) available Data transmission, building air conditioning control Debris flow monitoring at mudslide control dams River water level / dam gate management Greenhouse temperature / humidity monitoring and control Monitoring of tunnels and bridges Applicable standard Communication method Simplex, Half duplex Emission type Operating temperature Channel spacing Receiver sensitivity Supply voltage -115 dBm (FSK), -133 dBm (LoRa 128 chip) (PER 1% with the user data of 45 bytes or less) 3.5 to 5.0 V Supply current 40 x 29 x 6.2 mm (Not including antenna connector) Serial interface Communication method Asynchronous / UART Data speed Flow control Hardware: RTS / CTS pin Software: Xon / Xoff not used Other parameters Data length: 8 bit, Parity: None, Stop bit: 1 Specifications are subject to change without prior notice The SLR-434M contains a Semtech's LoRa wireless RFIC. The LoRa® Mark and LoRa Logo are trademarks of Semtech corporation. ® Sales Division 7557-1 Hotaka, Azumino, Nagano 399-8303, Japan Tel:+81-(0)263-

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