UHF RFID Reader Writer Module
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.
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.
USB Detection Pin
Low level effective external reset input with internal pull-up to 3.3V.
USB Data Minus
USB Data Positive
Serial Data Output
Serial Data Input
l Absolute Maximum Rating
l Electrical and Mechanical Specification
Under TA＝25℃，VCC＝+5V unless specified
(including shielding and heat sinking)
L x W x H
69 x 43 x 10.5
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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