1. 斋戒：
印度国家公路管理局使用一种独特的方式使用 fastag 征税。这是 2014 年开发的一项技术。它使用 RFID 技术在征收通行费时更快、更轻松地进行交易。
paytm 应用程序上的 Fastag 选项
2. 近场通信(NFC)：
NFC是2002年发展起来的一项技术，也叫近场通信技术。当具有互联网和 NFC 技术的 2 台设备靠近(4 厘米)时，它们可以交换数据。这是基于设备天线之间的电感耦合。
扬声器上的 NFC
Fastag 和 NFC 的区别：
| S.No. | Fastag | NFC | |||
|---|---|---|---|---|---|
| 1. | It was developed in 2014. | It was developed in 2002. | |||
| 2. | It was developed by National Payments Corporation of India. | It was developed by Franz Amtmann and Philippe Mangars. | |||
| 3. | It is only of 1 type. | It is only of 1 type. | |||
| 4. | It is a method of collection of toll taxes, using the RFID technology. | It is a communication protocol for communication between devices (electronic) within a distance of 4cm. | |||
| 5. | It is used by the National Highway Authority of India (NHAI) for collection of toll taxes. | It is used as identity cards, as key cards and as a method of contactless payments and mobile payments in various sectors such as retail, automobile, cinema etc. | |||
| 6. | It is based on RFID technology. | It is based on inductive coupling between antennas of the devices. | |||
| 7. | It does not require line of sight. | It requires proximity (distance between the devices must be less than 4 centimetres, hence the name, Near field). | |||
| 8. | Several Fastags can be examined at once. | Only one NFC is examined at once. | |||
| 9. | It has active, passive and semi passive tags. | It has passive tags. | |||
| 10. | It provides unidirectional communication. | It provides bidirectional communication. | 11. | It provides basic security. | It provides medium security. |
| 12. | Sampling is not present in Fastag. | Sampling is present in NFC. | |||
| 13. | It has frequency ranging between 125kHz to 960mHz (Low, high and ultrahigh). | It operates on high frequency of 13.56mHz. | |||
| 14. | It has a range of 0.2m. | It has a range of 100m. | |||
| 15. | Power Consumption is 424kbit/s. | Its power consumption varies with frequency. | |||
| 16. | It has medium difficulty in setup. | It is difficult to setup. | |||
| 17. | The cost is Low. | The cost is High. | |||
| 18. | It has maximum coverage length of 10cm. | It has maximum coverage length of 3m. |