ETSI EN 302 208 Radio Frequency Identification Equipment
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Summary of ETSI EN 302 208 Wireless RF Device Testing Information
This intentional radiation wireless device testing document covers the minimum requirements to make the best use of the available frequencies. However, it does not necessarily include all the characteristics that may be needed by a user. Nor does it represent the optimum performance achievable.
Radio Frequency Identification (RFID) products covered in this ETSI EN document are considered short-range devices.
The frequency band 915 MHz to 921 MHz has only a limited implementation status within European and CEPT countries.
This method applies to RFID interrogators and tags operating together as a system. For each specified band, there are four, high-powered channels made available. The tags respond with a modulated signal preferably in the adjacent low power channels. The types of equipment covered by the ETSI standard includes:
- Fixed interrogators
- Portable interrogators
- Batteryless tags
- Battery assisted tags
- Battery-powered tags.
Scope of ETSI EN 302 208 RFID Wireless Testing
The environmental profile for the operation of a device must be stated before testing. This profile is determined by the device manufacturer. Furthermore, the equipment must be compliant with the technical specifications of this document at all times.
When the device operates at a lower band, an interrogator may transmit a continuous signal on any of the high power channels for a specific period. For the operation of higher bands, interrogators transmit on any of the high power channels. However, it is not advised to transmit for longer than necessary to complete the intended operation.
When an interrogator is only able to transmit on a single band, testing is performed in the applicable band. It is permissible for interrogators to transmit simultaneously in both the lower and upper bands.
ETSI EN Wireless Regulatory Compliance Testing Conditions
Normal testing temperature and relative humidity conditions for the test must remain as any convenient combination of the ranges mentioned below.
- Temperature: 15 to 35 degrees Celsius
- Relative humidity: 20% to 74%
Extreme test conditions may also be completed when it is impractical to carry out the normal test conditions.
Before measurements are made, the equipment must breach a thermal balance within the test chamber. Then, the equipment is turned off during the temperature stabilizing period. In the case of equipment containing temperature stabilization circuits, they are switched off for 15 minutes after thermal balance is obtained.
Below are two options for providers and devices to be tested:
Continuous Operation: Before tests at the upper extreme temperatures, equipment is placed in the test chamber and left until the thermal balance is reached. For tests at the lower extreme temperatures, the equipment is left in the chamber until the thermal balance is reached. Then, it is switched on for one minute.
Intermittent Operation: Before tests at the upper extreme, the equipment is placed in the test chamber until the thermal balance is attained in the oven. Then, the device is either transmitted on and off for a period of one or five minutes. For tests at the lower extremity, the equipment is left in the test chamber until the thermal balance is attained. After, the device is switched to standby or receives conditioning for one minute.
Expert ETSI EN 302 208 Wireless Compliance Testing
Keystone has a full lab of test equipment which permits us to provide short lead times on scheduling. Keystone Compliance can accommodate fixed, mobile and portable devices of all sizes. Our team strives to give our customers more time and energy on product development instead of testing.