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The tRFU-2400 is a 2.4 GHz radio frequency modem that provides RS-232, RS-485 and RS-422 port interfaces. The tRFU-2400 is designed to act as a wireless bridge to convert signals between serial and wireless formats, and is great for applications when the physical wire deployment is inconvenient. The tRFU-2400 makes it easy to build a low-cost data acquisition and control application between a host and a range of remote sensors via wireless communication.The tRFU-2400 is a spread spectrum radio frequency (RF) modem based on the IEEE 802.15.4 standard. The IEEE 802.15.4 standard is operating on the ISM bands which uses a transmission frequency range between 2405 and 2480 MHz. A total of 16 channels are available and each with a channel separation of 5 MHz. Two operating modes are also supported, including Peer-to-Peer (P2P) mode, which allows full-duplex communication, and Broadcast mode, which allows half-duplex functionality in multi-point communication.
| LED Indicators | |
| Status | 1 x RF_Tx / RF_Rx 1 x Power State |
| RF | |
| Antenna | 3 dBi Omni directional |
| Channels | 16 |
| Modulation | OQPSK (Offset Quadrature Phase-shift Keying) |
| RX Sensitivity | -97 dBm |
| Spread Spectrum | DSSS (Direct-Sequence Spread Spectrum) |
| Transmission Power | 11 dBm (Default) 17 dBm (Max.) |
| Transmission Range | 180 m (Typical) |
| COM Ports | |
| Ports | 1 x RS-232(TxD, RxD and GND) 1 x RS-485(DATA+, DATA-; Internal ASIC Self-tuner; Non-isolated) 1 x RS-422(TxD+, TxD-, RxD+, RxD) |
| Baud Rate | Full-duplex: 2400 to 57600 bps Half-duplex: 2400 to 115200 bps |
| Data Format | N81, O81, E81, N82 |
| Power | |
| Consumption | 0.4 W (Max.) |
| Mechanical | |
| Casing | Plastic |
| Dimensions (mm) | 95 x 52 x 27 (W x L x H)( not include antenna ) |
| Installation | DIN-Rail |
| Environmental | |
| Operating Temperature | -25 ~ +75°C |
| Storage Temperature | -40 ~ +80°C |
| Humidity | 0 ~ 90% RH, Non-condensing |
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