UHF RFID Reader Module SIM3800 (Ultra-Mini)
Ultra-Mini UHF RFID Reader Module for Embedded IoT, Asset Tracking, and Industrial Applications
1. Product Overview of UHF RFID Reader Module
The SIM3800 is an ultra-compact UHF RFID reader module developed by SILION for embedded systems and IoT applications where space, power consumption, and integration efficiency are critical factors.
With a compact footprint of 16.3 mm × 16.3 mm, the module is designed for seamless integration into small form-factor devices while maintaining stable and reliable RF performance in industrial environments.
It is built on the Impinj E310 RFID reader IC and supports EPCglobal UHF Class 1 Gen 2 (ISO/IEC 18000-6C) and Gen2X protocols, enabling efficient multi-tag identification and consistent operation across different application scenarios.
2. Key Features of UHF RFID Reader Module
- Ultra-compact design: 16.3 mm × 16.3 mm × 2.6 mm
- Based on Impinj E310 high-performance RFID reader IC
- Supports EPC Gen2 (ISO/IEC 18000-6C) and Gen2X protocols
- Adjustable output power from 5 dBm to 27 dBm (±1 dB)
- High receiver sensitivity up to -72 dBm (typical, at 10% BER)
- RSSI signal strength measurement supported
- Low power consumption with multiple operating modes
- SMD / castellated-hole package for easy PCB integration
- Optimized for embedded and space-constrained systems
3. Application Scenarios of UHF RFID Reader Module
The SIM3800 is suitable for compact and portable RFID systems, including:
- Portable RFID readers and Bluetooth-enabled devices
- Smart handheld terminals
- Industrial embedded IoT systems
- Asset tracking and identification solutions
- Lightweight wearable or mobile RFID devices
4. Technical Specifications of UHF RFID Reader Module
4.1 RF Characteristics
| Parameter | Specification |
| Frequency Range | 860–960 MHz (global band) |
| China Band | 920–925 MHz |
| US Band | 902–928 MHz |
| Europe Band | 865–868 MHz |
| Output Power | 5 dBm – 27 dBm (±1 dB) |
| Receiver Sensitivity | -72 dBm (typ., 10% BER) |
| Tag Read Rate | Up to 300 tags/s (peak) |
| RSSI | Supported |
4.2 Physical Characteristics
| Parameter | Specification |
| Dimensions | 16.3 × 16.3 × 2.6 mm |
| Weight | ~1.8 g |
| Package Type | SMD / castellated holes |
| PCB Material | FR4 with gold plating |
| Shielding | Nickel-silver alloy |
4.3 Electrical Characteristics
| Parameter | Specification |
| Supply Voltage | 3.6 V – 5.25 V DC |
| Peak Power Consumption | ~3 W (0.6 A @ 5 V) |
| Standby Power | ~0.75 W |
| Low Power Mode | ~0.035 W |
4.4 Interface & Functionality
- UART TTL serial interface (3.3 V logic level)
- Baud rate: 9600 – 921600 bps (default 115200 bps)
- GPIO: 2 inputs + 2 outputs (3.3 V TTL)
- RF antenna interface: 1 × bottom pad RF port
- EPC buffer capacity: up to 1000 tags (96-bit EPC)
- Supports fixed-frequency and frequency-hopping modes
4.5 Environmental Conditions
| Parameter | Specification |
| Operating Temperature | -25°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Operating Humidity | 5% – 95% (non-condensing) |
5. Engineering Notes
The SIM3800 is designed for industrial and embedded applications requiring stable RFID
performance under compact system constraints. Actual system performance may vary depending on antenna design, enclosure structure, and integration environment.
Proper RF design and system-level optimization are recommended to achieve best performance results.
6. Compliance Notice
All specifications are based on manufacturer data and internal validation testing. Users are responsible for ensuring compliance with applicable regional regulations and certification requirements for final system integration.
Product specifications are subject to change without prior notice.
This document is provided for reference and engineering evaluation purposes only and does not constitute a contractual commitment.
