Technical characteristics and test methodsETSI EN 301 839-1 V1.3.1, published in October, is part 1 of a multi-part deliverable covering Short Range Devices; Ultra Low Power Active Medical Implants (ULP-AMI) and Peripherals (ULP-AMI-P) operating in the frequency range 402 MHz to 405 MHzElectromagnetic compatibility and Radio spectrum Matters; Short Range Devices; Ultra Low Power Active Medical Implants and Peripherals operating in the frequency range 402 MHz to 405 MHz.This document includes methods of measurement for ULP-AMI and ULP-AMI-P, fitted with antenna connector and/or integral antenna. Equipment designed for use with an integral antenna may be supplied with a temporary or permanent internal connector for the purpose of testing, providing the characteristics being measured are not expected to be affected.If equipment, which is available on the market, is required to be checked it should be tested in accordance with the methods of measurement specified in the present document.LEARN MORE