GB/T 33741-2017 in English
VALIDMobile payment―Technical requirements for contactless reader terminal based on 2.45 GHz range controlled communication technology
- Issued on:2017-05-12
- Implemented on:2017-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$194.00
| Standard No: | GB/T 33741-2017 |
| Document status: | VALID |
| Title in English: | Mobile payment―Technical requirements for contactless reader terminal based on 2.45 GHz range controlled communication technology |
| Title in Chinese: | 手机支付 基于2.45GHz RCC（限域通信）技术的非接触式读写器终端技术要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2017-05-12 |
| Implemented on: | 2017-12-01 |
| ICS Classification: | 33.050.99-Other telecommunication terminal equipment |
| Chinese Classification: | M32-Data communication equipment |
| Professional Classification: | GB-National Standard |
| Related Keywords: | mobile payment ― technical requirements
rcc technology requirements communication technology introduction mobile payment mobile payment devices |
| Related Topics: | domain communication
GBT33741 GB/T 33741-2017 |
《GB/T 33741-2017手机支付 基于2.45GHz RCC（限域通信）技术的非接触式读写器终端技术要求》由TC485（全国通信标准化技术委员会）归口，主管部门为工业和信息化部（通信）。
Introduction
1. Standard Overview
GB/T 33741-2017 "Technical Requirements for Contactless Reader and Writer Terminals Based on 2.45GHz RCC Technology for Mobile Payment" is the first standard formulated by my country for mobile payment devices based on $2.45~\mathrm{GHz}$ Restricted Range Communication (RCC) technology, filling the technical gap in this field in China. This standard applies to all contactless reader and writer terminal devices using $2.45~\mathrm{GHz}$ RCC technology, and specifies various technical requirements from hardware design to software implementation.
2. Background of Standard Formulation
2.1 Background Analysis
- With the popularization of mobile payment, the traditional NFC technology based on $13.56~\mathrm{MHz}$ can no longer meet the high concurrency and large-scale payment needs.
- $2.45~\mathrm{GHz}$ RCC technology has the characteristics of long communication distance, strong anti-interference ability, and support for large-scale concurrency, becoming an emerging technology direction in the field of mobile payment.
- The formulation of this standard aims to standardize the technical requirements of reader terminals based on $2.45~\mathrm{GHz}$ RCC technology to ensure the compatibility and reliability of equipment.
3. Comparison of standard frameworks
| Dimensions | Traditional NFC technology | $2.45~\mathrm{GHz}$ RCC technology | Requirements of this standard |
|---|---|---|---|
| Communication distance | ≤10cm | ≤10cm (expandable) | ≤4cm (standard card reading distance), ≥10cm (unreadable) |
| Anti-interference ability | Medium | Strong | Must pass multiple anti-interference tests (such as Bluetooth, WiFi signals) |
| Concurrency support | Low | High | Supports multi-responder conflict detection (MTC) to ensure transaction security |
4. Interpretation of the core content of the standard
4.1 Reader and writer technical architecture
$2.45~\mathrm{GHz}$ reader and writer consists of the following parts:
- Security main control module: responsible for interface control and security management.
- $2.45~\mathrm{GHz}$ radio frequency channel module: realizes wireless communication with smart cards.
- Magnetic channel module: used for distance control.
The reader and writer are connected to the POS host through the UART interface and communicate in contact mode.
4.2 Working Mode and State Management
| Working State | Description | Application Scenario |
|---|---|---|
| S0: Search Card | The reader is in idle state and continues to scan the card. | After the device is powered on, it is the default state. |
| S1: Command Processing | Receive and parse commands from the POS host. | Enter this state when processing user transaction requests. |
| S2: Link Maintenance | Maintain the communication link with the card to ensure the transaction is completed. | Continuously monitor the card status during the transaction. |
4.3 Environmental adaptability and reliability
- Environmental temperature:The operating temperature range is $-25~65^\circ\mathrm{C}$.
- Mechanical vibration:Must pass the random vibration test specified in YD/T1539-2006.
- Drop test:Drop from $1.0~\mathrm{m}$ onto a concrete surface, the device's appearance and functions are normal.
5. Implementation suggestions
5.1 Hardware design suggestions
- Strictly select the power supply and power consumption design scheme according to the standard requirements.
- Select a radio frequency module that complies with the Technical Requirements for Micropower (Short Range) Radio Equipment.
5.2 Software Development Suggestions
- Ensure that the command parsing between the reader and the POS host is accurate.
- Optimize the device initialization and self-test process to improve user experience.
5.3 Security Suggestions
- Strictly follow the requirements of GB 4943.1—2011 for electromagnetic compatibility design.
- Use hardware encryption technology to protect transaction data security.
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