This document is an FCC test report prepared by Shenzhen LCS Compliance Testing Laboratory Ltd. for the Shenzhen DZH Industrial Co., Ltd's Dual mode wireless keyboard, model B113. The report details the testing procedures and results to ensure compliance with FCC CFR 47 Part 15C (15.247) regulations.
The EUT (Equipment Under Test) is a Dual mode wireless keyboard. Testing was conducted between April 28, 2025, and May 13, 2025, with the final report issued on May 14, 2025. The report covers various tests, including 6 dB spectrum bandwidth, maximum peak conducted output power, power spectral density, radiated emissions, band edge measurements, conducted spurious emissions, and AC power line conducted emissions.
The report confirms that the EUT complies with the specified FCC standards. The antenna used is a PCB Antenna with a maximum gain of 1.92dBi. The EUT operates in the 2.4GHz band and supports Bluetooth V5.0 (DTS). The test results are detailed in the appendices of the report.