Saelig Introduces LoRa/FSK Smart Modem Transceiver

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SLR-434M is a 434MHz embedded receiver for reliable long-range industrial control applications

Saelig Introduces UHF Narrow Band Multi-channel Transceiver - RF Cafe

May 22, 2018 - Fairport, NY, USA: Saelig Company, Inc., (Saelig) (www.saelig.com) has introduced the Circuit Design SLR-434M Smart Modem - a compact, easy to use narrow-band embedded radio modem operating in the 434 MHz ISM band. It incorporates LoRa® technology to achieve extremely long range for low bit-rate data with low power. The SLR-434M's excellent receiving sensitivity allows communication into areas once considered difficult for RF to penetrate, and making it possible to transmit 1800 feet or more. The SLR-434M is also switchable to accommodate conventional FSK communication.

The SLR-434M can transmit data or operate in simple control systems using Circuit Design's dedicated command protocol from an external CPU or PC via an RS232 or COMport interface. The SLR-434M can process 8 I/O switching signals. With up to 10mW RF output power from the SMA connector, the SLR-434M can be used in simplex or duplex mode on 137 channels. It operates from a 3.5 - 5.0V supply, consuming less than 30mA when transmitting. Its low power consumption makes battery operation possible with this sturdy 1.6" x 1.2" x 025" module.

Applications include data transmission, telemetry, and control in buildings, water level and dam monitoring, tunnel and bridge condition monitoring, etc.

The TB-SLR-RS2 is an RS232 interface board for experimenting with the SLR-434M module. The built-in DB9 connector allows quick connection to the COM port of PC or PLC. The board is equipped with transmit/receive LED, a power supply terminal, main switch and an interface to sub boards. The module can be used with a coax extension cable to allow optimum placement of the antenna according to the environment.

The SLR-434M is made by Circuit Design, a leading Japanese low power radio product design and manufacturing company.

Founded in 1988 in Rochester, New York, Saelig is a North American distributor with a growing reputation for finding and sourcing unique, easy-to-use control and instrumentation products and related active components, for use in a variety of industries. Products lines are continuously added from sources across the globe, and are offered at highly competitive prices, accompanied by full in-house technical support, exceptional customer service, and fast delivery. For full details of available product lines, please visit www.saelig.com.