This document is a justification letter from Tait International Limited regarding the extended frequency range of their device, operating within the 378-470 MHz band. The letter is intended to aid equipment authorization in countries that accept the United States FCC Grant for Certification. Tait International Limited requests that the FCC list the frequency of 378-470 MHz, under FCC Rule Parts 90 and 22 on the Grant.
The letter confirms that the mobile transmitter has the design capability to operate in the specified frequency band and complies with 47CFR Part 90.203(e), ensuring that the equipment operator cannot directly program transmit frequencies using the normally accessible external controls. Programming of the equipment is the responsibility of Tait International Limited Approved Service Agents. The device may be utilized in systems operated by Federal and Public Safety agencies, as indicated in the table provided.
The Grant Note 'EF' should be appended to the Grant of Authorisation, indicating this operation is required.