RFID's short range is part of it's security, else anybody could scam a persons rfid enabled credit card by simply passing them in the street, unfortunately this has been proved, on the plus side the antenna used stands out like a sore thumb. 5 Watt power output for long range applications. the best configuration is obtained when the antennas are parallel and face each other UHF RFID Long Range Card Reader 5M/15M 8dbi Antenna RS232/RS485/Wiegand Reader $122.This directly impacts the read range, more in detail: Therefore, you need shorter cables from the reader to the antenna to boost the 14 เม. DIY Website Successful Story 860mhz to 960mhz long range uhf rfid reader supports 4 port antenna DP04 - Dwell Products Made In China, Hong Kong Manufacturer. If the item comes direct from a manufacturer, and we can provide source code sample and technical support for your integration. 00 10Piece/lot 125kHz EM4100 TTL RS232 RFID card reader Moule Embedded module Circuit UART Interface +345UH Coil 3-5V US $35.
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