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F3421 : Directional 2.45 GHz Active RFID reader


1. Product Description

F3421 is a high-performance 2.45GHz active RFID reader/writer designed for high challenging RFID application environment. Build-in 15dbi antenna and integrates with interfaces of RS-232、RS-485、USB、Wiegand26/34/42/50、RJ45, which can realize a reading distance of 80-120m. It owns a superior multi-tags reading rate and can achieve a tag identification rate of 1000 tags/s or above. 


2. Specifications

Frequency: 2.45GHz Active RFID reader

Long distance identification, strong receiving sensitivity

Excellent anti-collision performance

Little RF Power (No more than 1dBm, transmitting power ≤2mw), which is suitable for human carry and environment friendly Multiple communication interfaces, also can be customized

Self-development communication protocol and can customize and expand as your requirement

Compatible to other tag protocol and improve the performance of system application


3. Typical Applications

Intelligent transportation management

Asset identification, tracking and checking management

Intelligent management in traffic police, patrolman etc

Position moniter management for baby, prisoner, olders psychotic etc.

Electronic ticket, access control, time attendance, school management etc.


4. Product Electrical Parameters

Operating frequency

2.4GHz~2.5GHz ISM

Identify direction



15dBi build-in antenna

RF power range

-30dBm~0.0dBm( adjusted by 32 grade)

Receiving sensitivity


Operating mode

FHSS or fixed frequency(set by software)



Reading range

80~120m adjustable
RSSI reader can be adjusted less than 10m


Up to 800-1000 tags read simultaneously

Buffer capacity

2000 tags data

Communication speed

25Kbps, 1Mbps, 2Mbps(adjustable)

Communication interface

RS-232, S-485, Ethernet, Wiegand26/34/42/50

Input and output

1 triggering input, 1 relay output



Optional function

2 relays, CAN, RSSI, ID match function, Offline function, Time function

Power supply

AC input: 100~240V, 50/60Hz 1.2A
DC output: 5V/1A

Product size


Packing size


Gross weight


Net weight


Working temperature

-20°C~+70°C(-4~+158 degree F)

Storage temperature

-40°C~+85°C (-40~+185 degree F)


Power adapter, Power cable, RS-232 cable, Mounting bracket

Working status indication


2.45GHz Active RFID Reader F3421