DS302 is an economical compact short‑range UHF RFID all‑in‑one reader‑writer with fully independent intellectual property rights. It supports dual protocols ISO18000‑6C(EPC C1G2) and ISO18000‑6B passive UHF tags. Powered by proprietary high‑efficiency anti‑collision algorithm, it delivers high tag‑recognition rate and fast multi‑tag read‑write performance.
Support dual power input: USB power supply or external +9 V DC power. Rich connectivity includes USB virtual serial, RS232, RJ45 Ethernet with optional WIFI and POE function. Typical reading distance reaches 0‑2 meters. Featuring excellent thermal stability, the unit can run full‑load continuously without overheating and supports 24‑hour × 365‑day non‑stop operation. Perfect for production‑line identification, staff attendance, conference sign‑in, access‑control, anti‑counterfeiting inspection and light‑duty logistics RFID applications.
Key Features & Product Advantages
- Dual‑protocol tag compatibility: Fully compliant with ISO18000‑6C(EPC C1G2) & ISO18000‑6B for most mainstream passive UHF tags.
- Independent‑IP anti‑collision algorithm: Reliable high‑speed multi‑tag batch reading performance.
- Global region‑selectable frequency bands: 902‑928 MHz or optional EU 865‑868 MHz; supports fixed‑frequency or FHSS frequency‑hopping transmission to meet local radio regulations.
- 0‑2 m short‑medium reading coverage: Practical reading range 0‑2 meters (performance varies by tag model and site environment).
- Strong multi‑tag processing capacity: Simultaneously identify over 50 tags; reading speed exceeds 50 tags per second.
- On‑board tag data cache: Max 370 tags stored for 128‑bit EPC; max 120 tags for long 496‑bit EPC data.
- Flexible dual‑mode power supply: USB bus‑power or external +9 V DC input; optimized low‑power circuit design.
- RSSI signal‑strength feedback: RSSI output available for on‑site signal debugging and analysis.
- Multiple industrial‑grade interfaces: USB virtual serial port, RS232 serial, RJ45 network; optional WIFI & POE for diverse system integration scenarios.
- Thermal‑stable full‑load operation: No overheating under long‑term full‑load working status under room‑temperature environment.
- 24/7 year‑round continuous operation: Designed for non‑stop running for commercial and light‑industrial deployment.
Electrical characteristic
l Limiting parameter
| item | symbol | Numerical value | unit |
| Supply voltage | VCC (USB powered) | 6 | V |
| VCC (External power supply) | 12 | ||
| Operating temperature | TOPR | -10~+70 | ℃ |
| Storage temperature | TSTR | -20~+85 | ℃ |
l specification
| item | symbol | minimum | model | Max | unit |
| Supply voltage | VCC (USB powered) | 4.5 | 5 | 5.5 | V |
| VCC (External power supply) | 7 | 9 | 12 | ||
| Working current | IC | 180 | 200 | mA | |
| Operating frequency * | FREQ | 902 | 928 | MHz | |
| RFpower | PRF | 0 | 26 | dBm | |
| RFPower accuracy | AP | +/-1 | dB | ||
| RFPower flatness | FP | +/-0.2 | dB | ||
| Receiving sensitivity | SR | -70 | dBm |
*European standard Band 865 to 868MHz Optional
Typical Application Scenarios
✅ Production‑Line Process Control: Assembly‑line material recognition, work‑in‑progress tracking, station‑side tag reading.
✅ Personnel Attendance & Conference Management: Staff time attendance, conference attendee automatic sign‑in.
✅ Short‑range Access‑Control System: Indoor UHF access‑control identity verification.
✅ Light‑weight Logistics & Inventory: Small warehouse goods identification, spot‑checking audit.
✅ Anti‑Counterfeiting & Product Traceability: On‑site authenticity inspection and goods traceability verification.
Compatible Matching Products
- ISO18000‑6C / 6B passive UHF RFID tags
- Anti‑metal asset tags, flexible silicone washable RFID tags
- UHF RFID label printers
- Access‑control panels, industrial PLC controllers
- Upper‑level RFID management software, secondary‑development SDK resources
Integration Guidance
DS302 supports USB, RS232, RJ45, optional WIFI and POE for flexible connection with PC, access‑control hardware and industrial automation devices. RF transmit power and frequency parameters can be configured to comply with regional radio standards. Low‑power and anti‑overheating hardware design allows stable long‑term running on production‑lines, office premises and other indoor commercial and light‑industrial sites.




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