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RFID UHF four-channel read-write module M2240

M2240 is a high-performance UHF RFID read-write module developed by Xunyuan Technology with great concentration. It has 4 antennas and high-speed polling. The power and time can be configured separately to meet different coverage requirements. The maximum output power can reach +30dBm. With 8dBi gain antenna, the reading distance can reach 20m. It has the advantages of industry multi-tag algorithm, module self-adaptation, and fast identification of tags. The power consumption of single tag reading is lower than 700mA. The second speed can be stably up to 800 times per second (in a specific mode).

According to the needs of customers, the tag can be encrypted and set, and other readers will be garbled when they read it again, which increases the confidentiality. This module is a four-channel UHF RFID read-write module designed based on IMPINJ’s second-generation RF chip R2000. It is a high-performance UHF RFID read-write module designed for highly challenging RFID application environments.

This module has been verified by a large number of tests and long-term uninterrupted work (180 consecutive days), and its stability and reliability can fully meet its use requirements. At the same time, M2240 is equipped with four MMCX antenna interfaces and provides a standardized SDK development kit with rich functions. Users can develop high-performance reader devices according to project requirements in a short period of time.

The M2240 module is suitable for warehousing, logistics, clothing, production line management and other application environments that require high RFID intensive reading performance and are more challenging.

  • Introduction
  • Specification
  • Appearance
  1. Using IMPINJ R2000 radio frequency chip, the receiving sensitivity can reach -82dBm, the performance is the highest in the industry, and it is more suitable for harsh application environments than traditional readers;
  2. Excellent performance, with 8dBi gain antenna, the reading distance of a single tag can reach more than 20m;
  3. Excellent multi-tag intensive reading performance, which can achieve a tag recognition rate greater than 400tags/s;
  4. Provide the most comprehensive software development kit (SDK) and interface, easy to integrate with RFID software;
  5. Using integrated radio frequency chips, the module performance is more stable, and it is more suitable for harsh and demanding application environments;
  6. Using carrier cancellation technology, the accuracy of tag reading is better and the range is wider;
  7. Provide four antenna interfaces, enabling users to achieve excellent reading performance with less equipment deployment, while saving costs;
  8. Enhanced noise suppression for reliable data capture;
  9. High precision return signal strength (RSSI).

Product interface definition

pin Name description
1 UART TX Serial interface transmission, TTL level, low level is 0V, high level is 3.3V
2 UART RX Serial interface reception, TTL level, low level is 0V, high level is 3.3V~5.0V
3 GPIO3 This GPIO only outputs but not input, the output high level is 3.3V, and the low level is 0V. (The default output level is low level 0V)
4 GPIO2 This GPIO only outputs but not input, the output high level is 3.3V, and the low level is 0V. (The default output level is low level 0V)
5 GPIO1 This GPIO only outputs but not input, the output high level is 3.3V, and the low level is 0V. (The default output level is low level 0V)
6 P_EN The power supply of the module is enabled. This pin defaults to a high level of 5V. When the external connection is low (0V), the M2240 module enters a sleep state.
7 GND GND
8 GND GND
9 VCC DC power supply, the input voltage is 5.0V, and the maximum operating current of M2240 is 1.5A, so sufficient power supply current should be considered when designing the circuit.
10 VCC DC power supply, the input voltage is 5.0V, and the maximum operating current of M2240 is 1.5A, so sufficient power supply current should be considered when designing the circuit.

Note: 10PIN connector, spacing is 1.0MM, top connection type.

Name Specifications Remarks
RF chip Impinj Indy R2000
Air Interface Protocol EPC global UHF Class 1 Gen 2/ISO 18000-6C
Working Frequency 840~960MHz (default frequency band 920~925MHz)
Support area China, Europe, America, Korea, Japan, Taiwan…
Working Voltage DC3.0-6.0V DC power supply
Peak operating current 1.5A 5V power supply, test at 30dBm transmission power
Standby current ≤50mA Test with 5V power supply
Sleep current ≤1mA Test with 5V power supply
The maximum output power of RF port 1W(30dBm)
Operating temperature -25℃~+65℃
Working Humidity ≤95%(+25℃)
Storage temperature -30℃~+70℃
Maximum receiver sensitivity -82dBm
Antenna Interface Impedance 50Ω
Serial port communication parameters The baud rate is adjustable (default 115200bps),

Parity: None,

Data bits: 8 bits,

Stop bit: 1 bit

Power output settings 5~30dBm adjustable/adjustable minimum interval is 1dBm (default 30dBm)
DRMmode Support
RSSI Support
High temperature automatic protection function Support
Power Enable Support
GPIOInterface Support
Antenna interface 4 MMCX M2240 working antenna defaults to antenna 1

Antenna parameters can be configured: working antenna, working time, interval time, etc.

FPCInterface 10PIN/1.0mm/top connection
Appearance size 76.5*40.5*7.8MM Aluminum alloy cooling case
Optional Development Board Kit Our company has developed a corresponding development board kit for the M2240 module, coupled with the UHF demonstration software DEMO of Xunyuan Technology, customers can easily and quickly familiarize themselves with and use the M2240 module , and carry out relevant hardware and software development to shorten the development cycle.

M2240 development board peripheral interface: RS-232.

The development board kit includes: 1 set of M2240 + development board, 1 12V power adapter, and 1 interface cable.

Development board size: 22.0×12.0×3.5CM.

Note: The relevant configuration of the development board must be purchased separately.