This document presents the Radio Frequency (RF) exposure evaluation for the device with FCC ID 2BGKB-K1, conducted by Shenzhen Tongzhou Testing Co.,Ltd. The evaluation adheres to section B.4 of 447498 D04 Interim General RF Exposure Guidance v01, focusing on SAR-based thresholds derived from frequency, power, and separation distance of the RF source.
The report details the conducted power results for both Bluetooth Low Energy (BLE) and Short Range Device (SRD) modes, including measurements at different frequencies and channels. Manufacturing tolerances are specified for both BLE and SRD, ensuring the device operates within safe RF exposure limits. The maximum ERP and conducted power, including tune-up values, are calculated to determine the exemption limit.
The evaluation concludes that the device meets the requirements for routine evaluation exemption, as the maximum EIRP is below the specified limit. Therefore, a specific absorption rate (SAR) evaluation is not required for this device.
Array
(
[0] => Array
(
[url_sha] => 1835ee5855921dcfde6d4c4bb65361b06287964a3cb254867f6629deedd2a8fc
[source] => fccid
[url] => https://apps.fcc.gov/eas/GetApplicationAttachment.html?id=8102532
[href_text] => RF exposure
[href_description] => Keychron Technology (Shenzhen) Co., Ltd. K1 Wireless Keyboard 2BGKB-K1 2BGKBK1 k1
[http_status] => 200
[http_lastmod] => 0000-00-00 00:00:00
[http_contenttype] => application/pdf
[http_filename] => GetApplicationAttachment.html?id=8102532
[http_size] => 181629
[file_sha256] => e5b475fce8aec13a893645fae8fbbfe17ab961cb499f455c5a05e085f52e2e34
[domain] => document.fccid
)
)
Array
(
[file_sha256] => e5b475fce8aec13a893645fae8fbbfe17ab961cb499f455c5a05e085f52e2e34
[cleanFccId] => 2BGKBK1
[title] => RF Exposure Evaluation Report for 2BGKB-K1 Device
[description] => This report details the RF exposure evaluation for the 2BGKB-K1 device, ensuring compliance with safety standards and regulations. Includes test results.
[brand_name] => Shenzhen Tongzhou Testing Co.,Ltd
[keywords] => ["2BGKB-K1", "RF Exposure", "SAR", "BLE", "SRD"]
[intro] =>
This document presents the Radio Frequency (RF) exposure evaluation for the device with FCC ID 2BGKB-K1, conducted by Shenzhen Tongzhou Testing Co.,Ltd. The evaluation adheres to section B.4 of 447498 D04 Interim General RF Exposure Guidance v01, focusing on SAR-based thresholds derived from frequency, power, and separation distance of the RF source.
The report details the conducted power results for both Bluetooth Low Energy (BLE) and Short Range Device (SRD) modes, including measurements at different frequencies and channels. Manufacturing tolerances are specified for both BLE and SRD, ensuring the device operates within safe RF exposure limits. The maximum ERP and conducted power, including tune-up values, are calculated to determine the exemption limit.
The evaluation concludes that the device meets the requirements for routine evaluation exemption, as the maximum EIRP is below the specified limit. Therefore, a specific absorption rate (SAR) evaluation is not required for this device.
)
Array
(
[0] => Array
(
[id] => 8102532
[file_sha256] =>
[applicationId] => 3CM93qRLTOynXD6JNDhY/g==
[description] => RF exposure
[shortTermConfidential] => No
[permanentConfidential] => No
[supercede] => No
[exhibitType] => RF Exposure Info
[fileType] => Adobe Acrobat PDF
[displayType] => pdf
[fileSize] => 181629
[submissionDate] => 2025-03-07 00:00:00
[dateAvailable] => 2025-03-07 00:00:00
[creationDate] =>
[producer] =>
[modDate] =>
[title] =>
[creator] =>
[author] =>
[pages] =>
[realSize] =>
[html] => 0
[png] => 0
[txt] => 0
[version] => 1
[source] => 0
[fccId] => 2BGKB-K1
[cleanFccId] => 2BGKBK1
[exif] => 0
)
)