434MHz Transceivers
MCTR43401: 1 Optically Isolated Input and 1 Relay Output
MCTR43402: 2 Optically Isolated Inputs and 2 Relay Outputs
MCTR43404: 4 Optically Isolated Inputs and 4 Relay Outputs

Features

Wide supply connection, 10 - 28 Volts AC or DC
Reverse polarity protection, EMI, surge and transient protection
Up to 4 input channels with simultaneous channel transmission
Up to 4 relay outputs with simultaneous channel reception
Over 800 metres operating range with repeater mode
User selectable relay modes, momentary or flip-flop
Easy connection using pluggable terminal blocks
Crystal controlled for high stability and accuracy
On-board LED’s for the Inputs and Outputs
Four user selectable transmission modes

Simple transmit and receive
Transmit and receive with return signal acknowledgment
Repeater with one-way communication
Repeater with two-way communication

Applications

Process controls in factories, warehouses and farms
Water or sewerage tank level monitoring
Equipment and machinery control
Irrigation and pump controls
Security

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Download
User Manual

Description

The transceiver operates in the 434MHz frequency band with 10mW of RF power. Using Elsema’s ANT433M antenna it is possible to get up to 800 metres line of sight communications. This range can be doubled by configuring an extra MCTR43404R as a repeater. An Elsema 434Micro antenna is provided for free with all MCTR series transceivers and can be used for testing short range applications less than 80 metres.

The transceiver power supply can be AC or DC. The power supply has built-in protections against EMI noise, surges and transients. Even if there is a power failure on one transceiver the built-in handshake acknowledgments will ensure that the transceivers inputs and outputs are returned to the same state as before the power failure.

Use one of Elsema’s 10 Watt or 20 Watt Solar Panels with the BACH charger to supply the transceivers with solar and battery power.