455U-D has three available models in terms of functionality:
- Bell 202 or V23 functionality (455U-B).
- 405U-D end of life compatibility mode (455U-C).
- Full functionality RS232/485 modem, addressed/broadcast modes/ Optimal Path Routing for Modbus RTU, DF1 and DNP-3 (455U-D).
- Data logger communications
- Agriculture sprayer control
- Water/ waste water systems
- SCADA networks
- PLC networks
- Oil and gas station monitoring
- Weather station reporting
- Factory vehicle tracking
- Irrigation control
- Licensed/license-free radio channels, suitable for most countries
- (60, 150, 220, 360–512 MHz, up to 5W RF power option availability)
- Wireless data rates up to 19.2 kbps
- Separate RS-232 and RS-485 ports
- Diagnostics and configuration via independent RS-232 port
- Remote configuration via wireless channel
- 128-bit AES security encryption
- Configurable, high-redundancy design well suited for repeater networking
- Wireless diagnostics via network management system
- Protocol-optimized modes for greater efficiency