SIST EN 300 113-2 V1.2.1:2003

SIST EN 300 113-2 V1.2.1:2003 is the Slovenian adoption of ETSI EN 300 113-2 V1.2.1 for land mobile radio equipment. It specifies the harmonized radio spectrum requirements used to show conformity with article 3.2 of the R&TTE Directive for equipment that transmits data and/or speech using constant or non-constant envelope modulation and has an antenna connector.

It matters mainly to manufacturers, test laboratories, and conformity assessment teams because it tells them which radio characteristics to verify, which measurement methods to use, and how to judge the results. In practice, it is a compliance document for radio equipment that must use spectrum effectively and avoid harmful interference.

What does SIST EN 300 113-2 V1.2.1:2003 specify?

SIST EN 300 113-2 V1.2.1:2003 covers land mobile radio equipment operating from 30 MHz to 1 GHz with channel separations of 12.5 kHz, 20 kHz, and 25 kHz. It applies to equipment for data transmission and to combined analogue and digital equipment for data and/or speech.

The scope includes base stations, mobile stations, and hand portable stations fitted with an antenna socket. It also includes hand portable equipment with an integral antenna if it has a permanent internal or temporary internal 50 RF connector that gives access to transmitter output and receiver input.

The document is organized into five clauses and one informative annex:

What are the key requirements of SIST EN 300 113-2 V1.2.1:2003?

The core requirement is simple: the equipment shall meet the technical limits and test conditions that this part sets by reference to EN 300 113-1. Clause 4.1 adds that the equipment must comply within the manufacturer-declared operational environmental profile, so the declared conditions are part of the compliance decision.

Transmitter requirements

Clause 4.2 covers transmitter performance such as frequency error, carrier power (conducted), effective radiated power, adjacent channel power, spurious emissions, intermodulation attenuation, transmitter attack time, transmitter release time, and transient frequency behaviour. Each item uses the definitions and measurement methods in EN 300 113-1.

In practice, this means the transmitter is checked not only for power and frequency accuracy, but also for unwanted output, switching behaviour, and frequency movement during transients. These checks help show that the transmitter stays within its channel and does not create interference to nearby users.

Receiver requirements

Clause 4.3 covers sensitivity, co-channel rejection, adjacent channel selectivity, spurious response rejection, intermodulation response rejection, blocking or desensitization, spurious radiations, and duplex receive performance. The duplex items address desensitization and sensitivity, plus spurious response rejection, for equipment using duplex operation.

In practice, these requirements show how well the receiver can hear wanted signals in the presence of strong wanted and unwanted signals. They are the basis for checking coverage, interference tolerance, and receiver robustness.

Compliance testing and uncertainty

Clause 5 says tests are performed under normal test conditions and, where stated, under extreme test conditions, using the procedures from EN 300 113-1. It also requires the test power source to meet EN 300 113-1 and the samples to be chosen as defined there.

Clause 5.2 is important because it requires the test report to include measurement uncertainty and says the measured value is compared directly with the limit. The document also gives maximum uncertainty values in a table, with the calculation based on ETSI TR 100 028. In practice, this tells a laboratory how to report results so the compliance decision is traceable and comparable.

What terms does SIST EN 300 113-2 V1.2.1:2003 define?

• Environmental profile - The operating conditions declared by the manufacturer, within which the equipment must meet the technical requirements.
• Frequency error - The transmitter frequency offset used to check how accurately the equipment stays on frequency.
• Carrier power (conducted) - The transmitter power measured at the antenna connection path before radiation.
• Effective radiated power - The power actually radiated by the antenna system in the intended direction.
• Adjacent channel power - Unwanted transmitted power that falls into neighbouring channels.
• Sensitivity - The minimum receiver performance used to judge whether the equipment can receive wanted data or messages.
• Blocking or desensitization - The receiver’s loss of performance when strong unwanted signals are present.

Who uses SIST EN 300 113-2 V1.2.1:2003?

This standard is used by radio equipment manufacturers, compliance engineers, and test laboratories that work on land mobile systems. It is also relevant to quality managers and buyers who need evidence that a product is suitable for R&TTE article 3.2 spectrum conformity work.

Typical tasks include design verification, pre-compliance testing, formal conformity assessment, and preparation of test reports with measurement uncertainty. It is especially relevant for equipment with an antenna connector in the data and/or speech radio category.

Which standards are used with SIST EN 300 113-2 V1.2.1:2003?

EN 300 113-1 V1.4.1 is the main companion part. It provides the technical characteristics, definitions, limits, and measurement methods that this part references throughout Clauses 4 and 5.

ETSI TR 100 028 V1.3.1 is used for calculating measurement uncertainty. The R&TTE Directive 1999/5/EC is the legal basis for the harmonized requirements addressed by this standard.

What does the SIST EN 300 113-2 V1.2.1:2003 document contain?

The document contains a scope statement, the reference list, and the definitions section that points to EN 300 113-1 for terms, symbols, and abbreviations. Clause 4 then sets the transmitter and receiver requirements by parameter, each with a definition, a limit, and a method of measurement reference.

Clause 5 brings those requirements into test practice by specifying environmental conditions, sample selection, interpretation of measurement results, and the essential radio test suites. It also includes a table of maximum measurement uncertainties and a bibliography in Annex A.