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four external antenna ports uhf rfid reader module
General Description
CF-MU940 is a high performance UHF 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.
FEATURES
- Self-intellectual property;
- Support ISO18000-6C(EPC C1G2) protocol tag;
- 865~868MHz, 902~928MHz frequency band(frequency customization optional);
- FHSS or Fix Frequency transmission;
- RF output power up to 30dbm (adjustable with 1db step);
- Effective distance 9m with 6dBiL antenna and E41 tag;
- Support four external antennae with MMCX-J socket;
- Low power dissipation with single +5V DC power supply;
- Support 3 GPIO port with 2outputs and 1 input;
- Support RS232(TTL level) interface and USB 2.0 interface.
No. | Symbol | Comment |
1,2 | VCC | +5VDC |
3,4 | GND | GND |
5 | USB_5VSENSE | USB Detection Pin |
6 | nRST | Low level effective external reset input with internal pull-up to 3.3V. |
7,8 | ANT1,ANT0 | Antenna Indicator 00- ANT1 01- ANT2 02- ANT3 03- ANT4 |
9 | USB-DM | USB Data Minus |
10 | USB-DP | USB Data Positive |
11,12 | GPO2,GPO1 | General Output |
13 | GPI1 | General Input |
14 | TXD | Serial Data Output |
15 | RXD | Serial Data Input |
CHARACTERISTICS
l Absolute Maximum Rating
ITEM | SYMBOL | VALUE | UNIT |
Power Supply | VCC | 6 | V |
Operating Temp. | TOPR | -20~+55 | ℃ |
Storage Temp. |
TSTR | -25~+75 | ℃ |
l Electrical and Mechanical Specification
Under TA=25℃,VCC=+5V unless specified
ITEM | SYMBOL | MIN | TYP | MAX | UNIT |
Power Supply | VCC | 4.75 | 5.0 | 5.25 | V |
Current Dissipation | IC |
|
| 1500 | mA |
Frequency | FREQ | 865 |
| 928 | MHz |
Size (including shielding and heat sinking) | L x W x H |
|
69 x 43 x 10.5
|
| mm |
Application Information
1.When designing fixed reader with CF-MU940, 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.ANT1 is the default antenna port. Please pay attention to antenna port’s definition.
3.Please refer to CF-MU940 user’s manual for detailed protocol description.
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