
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
External Photos
Label Artwork and Location SIZE: 40mm (W) x14mm (H) FCC ID: XJJCHCC211100027 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Internal Photos
1 INTERTEK TESTING SERVICES Analysis Report The equipment under test (EUT) is a portable transmitter for a Mini R/C Car In Capsule operating at 27.145 MHz which is controlled by a crystal. The EUT is powered by two 1.5V size AA batteries. For more detail information pls. refer to the user manual. Antenna Type: Dedicated antenna Antenna Gain: 0dBi The nominal conducted output power specified: -27.0dBm (+/- 3dB) The nominal radiated output power (e.r.p) specified: -29.15dBm (+/- 3dB) Modulation Type: Pulse modulation According to the KDB 447498: T he worst-case peak radiated emission for the EUT is 67.7dBฮผV/m at 3m in the frequency 27.145MHz The EIRP = [(FS*D) ^2 / 30] mW= -27.53dBm The ERP = EIRP โ 2.15 = -29.68 dBm which is within the production variation. The maximun conducted output power specified is -24.0d Bm =0.004mW The source- based time-averaging conducted output power = 0.004* Duty Cycle mW < 0.1mW (Duty Cycle<100%) The SAR Exclusion Threshold Level for 27.145MHz when the minimum test separation distance is < 50mm: = 474 * [1 + log(100/f(MHz)]/2 = 371.2 mW Since the source-based time-averaging conducted output power is well below the SAR low threshold level, so the EUT is considered to comply with SAR requirement without testing. Transmitter Duty Cycle Calculation The duration of one cycle = 17.8986ms Effective period of the cycle = 492.8ฮผs x 10 + 1.4783ms x 4 = 10.8412ms DC = 10.8412ms / 17.8986ms = 0.6057 or 60.57% FCC ID: XJJCHCC211100027
27.145MHz Transmitter Block Diagram U1: TX-2S 128KHz ANTENNA
Radiated Emission
6F, D Block, Huahan Building, Langshan Road ยท Shenzhen ยท China
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 27.145 MHz - 27.145 MHz | - |

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