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Product Name:UHF R2000 Reader Writer Module
Product Model:CF-MU940

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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.

INTERFACE

1.       Antenna socket

 

 

 

 


2.       Host connector

 

 

 

 

 

No.

Symbol

Comment

12

VCC

+5VDC

34

GND

GND

5

USB_5VSENSE

USB Detection Pin

6

nRST

Low level effective external reset input with internal pull-up to 3.3V.

78

ANT1ANT0

Antenna Indicator

00-   ANT1

01-   ANT2

02-   ANT3

03-   ANT4

9

USB-DM

USB Data Minus

10

USB-DP

USB Data Positive

1112

GPO2GPO1

General Output

13

GPI1

General Input

14

TXD

Serial Data Output

15

RXD

Serial Data Input

CHARACTERISTICS

Absolute Maximum Rating

ITEM

SYMBOL

VALUE

UNIT

Power Supply

VCC

6

V

Operating Temp.

TOPR

-20~+55

Storage Temp.

 

TSTR

-25~+75

 

Electrical and Mechanical Specification

Under TA25VCC+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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CF-MU940 EN download