02/10/2026
New MT-RX-4 DSC, AIS and 406 Alerting Receiver Released
The team at WTE are pleased to announce the release of the new WTE MT-RX-4 Emergency Beacon Alerting Receiver.
The MT-RX-4 is the latest generation of WTE’s multi-band distress monitoring receivers and provides simultaneous monitoring of 406 MHz emergency beacons, AIS distress devices, DSC distress transmissions, and 121.5/243 MHz homing signals.
Designed for fixed monitoring applications, the MT-RX-4 provides Ethernet, USB and serial connectivity, together with a clear local display and audible alerting.
The MT-RX-4 is the latest generation of WTE’s multi-band distress monitoring receivers and provides simultaneous monitoring of 406 MHz emergency beacons, AIS distress devices, DSC distress transmissions, and 121.5/243 MHz homing signals.
Designed for fixed monitoring applications, the MT-RX-4 provides Ethernet, USB and serial connectivity, together with a clear local display and audible alerting.
MT-RX-4 for Ship or Shore based Early Emergency Response
Key benefits of the product include:
- Simultaneous monitoring of 406 MHz, AIS, DSC and 121.5/243 MHz distress transmissions
- Decoding of 406 MHz EPIRBs, PLBs and ELTs across all currently used 406 MHz beacon channels
- Monitoring of both AIS channels at 161.975 MHz and 162.025 MHz
- Digital Selective Calling (DSC) distress message decoding on 156.525 MHz
- 121.5 MHz and 243 MHz homing signal monitoring
- Ethernet, USB, RS232 and RS485/RS422 connectivity
- Internal audible alerting and relay outputs
- Single- or dual-antenna configurations
- Improved high receiver sensitivity, now -123dBm for AIS and -122dBm for 406.
Designed for Emergency Beacon Monitoring
The MT-RX-4 has been developed for applications where early detection of an emergency beacon or distress transmission is important.
The MT-RX-4 can also be used for search and rescue monitoring, vessel safety systems, man-overboard alerting, and other applications requiring continuous monitoring of multiple maritime and aviation distress technologies.
The MT-RX-4 can also be used for search and rescue monitoring, vessel safety systems, man-overboard alerting, and other applications requiring continuous monitoring of multiple maritime and aviation distress technologies.
Designed and Manufactured in New Zealand
The MT-RX-4 builds on more than a decade of WTE development in emergency beacon receivers, beacon testing equipment and search and rescue monitoring systems.
The product is designed, developed and manufactured by WTE Limited in Christchurch, New Zealand.
Full specifications, documentation and ordering information are available on the WTE MT-RX-4 product page.
The product is designed, developed and manufactured by WTE Limited in Christchurch, New Zealand.
Full specifications, documentation and ordering information are available on the WTE MT-RX-4 product page.