DS818 split high-performance 8-channel UHF UHF electronic label reader suitable for multi-label reading and writing, completely independent intellectual property design, combined with proprietary efficient signal processing algorithm, while maintaining high literacy rate, to achieve rapid reading and writing processing of RFID electronic tags. Can be widely used in logistics, access control systems, anti-counterfeiting systems and production process control and other radio frequency identification (RFID) systems。
Features:
Completely independent intellectual property design;
Operating frequency 840 ~ 960MHz (can be adjusted according to different countries or regions);
Based on Impinj R2000 read and write engine design, fully supports RFID electronic tags that comply with EPC CLASS1 G2 and ISO18000-6B standards;
Operates in broad spectrum frequency hopping (FHSS) or fixed frequency transmission mode, supports RSSI function, and the peak label inspection speed is greater than 700 photos/second;
Output power up to 30dBm (adjustable);
Support response mode and real-time inspection mode;
RFID tag cache capacity: 1000 @96bits EPC;
Support EPC and TID two conflict prevention modes;
Low power consumption design, single +9V power supply, POE power supply is optional;
Support RS232, RJ45 (TCP/IP) optional WIFI communication interface;
Provide dynamic link library (DLL) and demo software source code to support secondary development;
Exquisite and compact design to meet the needs of a variety of applications.
Electrical characteristic
l Limiting parameter
| item | symbol | Numerical value | unit |
| Supply voltage | VCC | 16 | V |
| Operating temperature | TOPR | -20～+55 | ℃ |
| Storage temperature | TSTR | -20～+85 | ℃ |
l specification
Unless otherwise specified, the specifications shown are taken from TA = 25 ° C and VCC = +9V operating conditions
| ITEM | symbol | minimum | model | Max | unit |
| Supply voltage | VCC | 8 | 9 | 12 | V |
| Working current | IC | 0.5 | 1.2 | A | |
| Operating frequency | FREQ | 840 | 860~868
902~928 |
960 | MHz |
Serial Communication interface RS232 (DB9 Female)
| Serial number | symbol | Description |
| 1 | NC | reserve |
| 2 | TXD | Serial communication data output |
| 3 | RXD | Serial communication data entry |
| 4 | NC | reserve |
| 5 | GND | signally |
| 6 | NC | reserve |
| 7 | NC | reserve |
| 8 | NC | reserve |
| 9 | NC | reserve |
General input/Output Interface GPIO (DB15 Female)
| Serial number | symbol | Description |
| 1 | NC | reserve |
| 2 | NC | reserve |
| 3 | Input1－ | Universal optocoupler isolated input 1- |
| 4 | Input2－ | Universal optocoupler isolated input 2- |
| 5 | Output1 | Universal optocoupler isolated output 1 |
| 6 | Output1 | Universal optocoupler isolated output 1 |
| 7 | Output2 | Universal optocoupler isolated output 2 |
| 8 | Output2 | Universal optocoupler isolated output 2 |
| 9 | Input1＋ |
Universal optocoupler isolated input 1+ (Pull up to 3.3V via 1k resistor, optionally pull down to ground) |
| 10 | Input2＋ |
Universal optocoupler isolated input 2+ (Pull up to 3.3V via 1k resistor, optionally pull down to ground) |
| 11 | NC | reserve |
| 12 | GND | signally |
| 13 | NC | reserve |
| 14 | NC | reserve |
| 15 | NC | reserve |
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