TXL2
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TXL2
Product catalog summary
Overview: The TXL2/RXL2 modules by Radiometrix Ltd are designed for one-way radio communication in the 433MHz ISM band, functioning as a transparent serial cable with automatic handling of preamble, synchronization, bit balancing, and error checking.
Specifications:
- Operating Frequency: Default 433.925MHz, with 5 selectable channels.
- Modulation: 16kbps bi-phase FSK.
- Supply Voltage: 5V, with TXL2 drawing 28mA during transmission and RXL2 drawing 22mA during reception/idle.
- Transmit Power: +10dBm (10mW).
- Receiver Sensitivity: -107dBm for 1% BER.
- Data Rate: 9600bps simplex.
- Addressing: 8 unique addresses, user-programmable.
Features: The modules conform to EN 300 220-3 and EN 301 489-3 standards, featuring a high-quality crystal reference, low noise synthesizer, SAW front-end filter, and multi-stage ceramic IF filtering with a single conversion superhet design.
Applications: Suitable for PDAs, laptops, handheld terminals, EPOS equipment, environmental monitoring, remote data acquisition, and fleet management.
Technical Details: TXL2 and RXL2 have specific pin descriptions for RF ground, RF output/input, enable, power supply, ground, TXD/RXD input, and setup mode.
Programming: Modules can be programmed via RS232 to set addresses and channels, with commands for setting addresses (ADDR0 to ADDR7) and channels (CHAN0 to CHAN4).
Interface and Operation: The modules use a 32-byte FIFO buffer for data transmission and reception, supporting a 9600bps data rate with a 14ms data latency.
Antenna Requirements: Recommended antennas include whip, helical, and loop types, each with specific performance and design considerations.
Conclusion: The TXL2/RXL2 modules provide a robust solution for wireless data transmission with easy integration and programming capabilities.
Additional Specifications: Details on whip antennas specify a 16.4 cm length, made from 0.5 mm enameled copper wire, with specific construction guidelines for 433 MHz frequency.
Ordering Information: Available in variants TXL2-433-9 and RXL2-433-9 with a 9.6 kbps baud rate, and TXL2-433-4 and RXL2-433-4 with a 4.8 kbps baud rate.
Company Information: Radiometrix Ltd is located in Harrow, England, with contact details provided for inquiries.
Legal Notices: The product data sheet is copyrighted by Radiometrix Ltd, with liability limitations and compliance with the R&TTE Directive post-April 2001.
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