RRU9881M is an excellent performance UHF Indy2000 RFID Reader Module. 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, attendance system, anti-counterfeit and industrial production process control system.
Model
Size
RRU9881M
FEATURES
lSelf-intellectual property;
lSupport EPC C1G2（ISO18000-6C）, ISO18000-6Bprotocol tag;
l865~868MHz, 902~928MHz frequency band (frequency customization optional);
lFHSS or Fix Frequency transmission;
lRF output power is adjustable from 0~33dbm with 1db step;
lEffective reading distance more than 9 meters* (with 6dBiL antenna and E41 tag);
lSupport RSSI;
lPeak Inventory Speed > 700pcs/s;
lBuffering memory 1000pcs @ 96bits EPC;
lMMCX-J antenna sockets;
lLow power dissipation with single +3.7V ~ +5V DC power supply;
lSupport RS232 (3.3V TTL level TTL level);
lHigh stability with natural cooling;
lSupport firmware on-the-site upgrading;
lProvide SDK and demo software to facilitate further development.
*Effective reading distance and tag interrogation speed are directly related to the antenna, tags, and the working environment.
CHARACTERISTICS
l Absolute Maximum Ratings
ITEM | SYMBOL | VALUE | UNIT |
Power Supply | VCC | 5.5 | V |
Operating Temp. | TOPR | -20 ~ +65 | ℃ |
Storage Temp. | TSTR | -40 ~ +85 | ℃ |
l Electrical and Mechanical Specification
Under TA＝25℃，VCC＝+5V unless specified
ITEM | SYMBOL | MIN | TYP | MAX | UNIT |
Power Supply | VCC | 3.7 | 5 | 5.25 | V |
Current Dissipation | IC | 1500 | mA | ||
Frequency | FREQ | 860 | 865~868 902~928 | 960 | MHz |
RF Output Power | PRF | 0 | 33 | dBm | |
Receive Sensitivity | SR | -85 | dBm |
Interface
1.Module PIN Description
No. | Solder Pad No. | Symbol | Comment |
1 | 1 | VCC | Power Supply +3.7~5VDC |
2 | 1 | VCC | |
3 | 2 | GND | Ground |
4 | 2 | GND | GND |
5 | 3 | EN | Enable (High Level effective with internal 10K pull-up resistor to VCC) |
6 | 4 | Reserved | Reserved |
7 | Reserved | ||
8 | Reserved | ||
9 | 5 | RXD | Serial Data Input |
10 | 6 | TXD | Serial Data Output |
11 | USB-DM | Reserved for test only | |
12 | USB-DP |
2.Antenna Interface
MECHANICAL DATA (UNIT:mm)
1. When designing fixed reader with RRU9880M, please take care of heat sinking and remember to make sure the heat sinker of the module is closely and stably attached to the reader’s bottom plate;
2. Please refer to user’s manual for detailed protocol description.
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.