RRU7881EA/ RRU5881EA/ RRU3881EA is a high-performance UHF RFID Reader. It is designed upon fully self-intellectual property. Based on proprietary efficient digital signal processing algorithm, it supports fast tag read/write operation with high identification rate. It can be widely applied in many RFID application systems such as logistics, access control, and industrial production process control system.
Model
Size
FEATURES
l Self-intellectual property;
l Designed with IMPINJ E710/E510/E310 and support ISO18000-6C(EPC C1G2) protocol tag, featuring excellent multi-tag anti-collision functionality;
l 865~868MHz/902~928MHz frequency band(frequency customization optional);
l FHSS or Fix Frequency transmission;
l RF output power up to 33dbm(adjustable);
l Effective distance up to 12m*(with external 8dbi antenna and tag E41);
l Supports multiple working modes such as active mode and answer mode;
l Low power dissipation with single +9~24VDC power supply;
l Support RSSI;
l Support RS232, RS485, Optional TCP/IP interface;
l Support on-the-site firmware upgrading;
l High reliability design, meet the requirements of harsh working environment;
l Support DLL , demonstrate the software source code and secondary development.
*Effective reading distance and tag interrogation speed are directly related to the antenna, tags, and the working environment.
ARACTERISTICS
l Absolute Maximum Ratings
ITEM | SYMBOL | VALUE | UNIT |
Power Supply | VCC | 26 | V |
Operating Temp | TOPR | -20 ~ +65 | ℃ |
Storage Temp | TSTR | -40 ~ +85 | ℃ |
l Electrical and Mechanical Specification
Under TA=25℃,VCC=+9V unless specified
ITEM | SYMBOL | MIN | TYP | MAX | UNIT |
Power Supply | VCC | 9 | 9 | 24 | V |
Current Dissipations | IC | 480 | 1100(30dBm) 1480(33dBm) | mA | |
Frequency | FREQ | - | 865~868(ETSI) 902~928(FCC) | - | MHz |
RF Output Power | PRF | 5 | 33 | dBm | |
Receive Sensitivity | SR | -74(using E310) -81(using E510) -87(using E710) | dBm |
INTERFACE
1. 8-pin Aviation Connector
No. | SYMBOL | COLOUR | DESCRIPTION |
1 | VCC | Red | Power Supply |
2 | RS232_TXD | Pink | Serial communication data output |
3 | RS232_RXD | White | Serial communication data input |
4 | GND | Black | Ground |
5 | GND | Brown | Ground |
6 | RS485 - | Orange | RS485 - |
7 | RS485 + | Purple | RS485 + |
8 | TGIN | Gray | Trigger input（TTL level） low level 0 ~ +0.6V，high level +2.2 ~ +5V |
2. ANT （TNC male）
MECHANICAL DATA (UNIT:mm)
ACCESSORY
Remark:
1. Specifications are subject to change, please pay attention to our latest version.
2. Shenzhen RoyalRay Science and Technology Co., Ltd. reserves the right to the final interpretation of the above terms.