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Radxa Computer 

Subpart B compliant (when it also contains unintentional-radiator digital circuity), then the 
grantee shall provide a notice stating that the final host product still requires Part 15 Subpart B 
compliance testing with the modular transmitter installed. 

Explanation: 

The host shoule be evaluated by the FCC Subpart B. 

This product uses Chip antenna with a maximum 

The 2.4G antenna gain is 1.5dBi. 5G 

antenna gain is 2.3dBi   

Summary of Contents for ROCK 3C

Page 1: ...U s e r Ma n u a l Radxa ROCK 3C User Manual Well established form factor Single Board Computer Revision 1 0 2023 3 15 ...

Page 2: ...ecification 5 4 1 Power Requirements 5 4 2 GPIO Voltage 6 5 Peripherals 6 5 1 GPIO Interface 6 5 1 1 GPIO Alternate Functions 6 5 2 eMMC Module Connector 6 5 3 Camera and Display Interfaces 7 5 4 USB 7 5 5 HDMI 7 5 6 Audio Jack 7 5 7 M 2 Connector 7 5 8 Operating Conditions 8 5 9 Fan Connector 8 6 Availability 8 7 Support 8 Radxa Computer 1 ...

Page 3: ...Radxa ROCK 3C User Manual 1 Revision Version Date Changes from previous version 1 0 18 05 2023 First version Radxa Computer 2 ...

Page 4: ...all form factor that offers class leading performance while leveraging outstanding mechanical compatibility Radxa ROCK 3C offers makers IoT enthusiasts hobbyists PC DIY enthusiasts and others a reliable and extremely capable platform for building and tinkering their ideas into reality Radxa Computer 3 ...

Page 5: ...Mali G52 2EE OpenGL ES1 1 2 0 3 2 Vulkan 1 1 OpenCL 2 0 1GB 2GB LPDDR4 available Storage is supported by eMMC storage micro SD card and SSD through the M 2 con nector Display via HDMI or MIPI DSI They can not work at the same time H 264 H 265 decoder up to 4K 60fps H 264 H 265 encoder up to 1080P 60fps Radxa Computer 4 ...

Page 6: ... 5mm jack with microphone The HD codec supports up to 24 bit 96KHz au dio 40x user GPIO supporting various inter face options up to 5 x UART 1 x SPI bus up to 2 x I2C bus 1 x PCM I2S up to 6 x PWM up to 28 x GPIO 2 x 5V DC power in 2 x 3 3V power pin 3 3 Software ARMv8 Instruction Set Debian Ubuntu Linux support Android 11 support Hardware access control library for Linux Android 4 Electrical Spec...

Page 7: ..._M0 3 3V 17 18 GPIO3_B2 UART4_TX_M1 PWM9_M0 PWM15_IR_M1 I2S3_SCLK_M1 SPI3_MOSI_M1 GPIO4_C3 19 20 GND UART9_TX_M1 PWM12_M1 I2S3_SDO_M1 SPI3_MISO_M1 GPIO4_C5 21 22 GPIO3_C1 I2S1_SDO2_M2 PWM14_M1 I2S3_MCLK_M1 SPI3_CLK_M1 GPIO4_C2 23 24 GPIO4_C6 SPI3_CS0_M1 PWM13_M1 UART9_RX_M1I2S3_SDI_M1 GND 25 26 GPIO4_D1 SPI3_CS1_M1 I2C4_SDA_M0 I2S2_SDI_M1 GPIO4_B2 27 28 GPIO4_B3 I2C4_SCL_M0 I2S2_SDO_M1 GPIO3_B3 29...

Page 8: ... these ports is 2 8A in aggregate over the four connectors 5 5 HDMI Radxa ROCK 3C has one HDMI port supporting CEC and HDMI 2 0 with resolutions up to 1080P 60fps 5 6 Audio Jack The ROCK 3C supports near CD quality analogue audio output via a 4 ring 3 5mm head phone jack The HD codec supports up to 24 bit at 96Hz The analog audio output can drive 32 Ohm headphones directly The headphone jack also ...

Page 9: ...o 85 C before throttling the clock speeds to maintain reliability within the allowed temperature range If the ROCK 3C is intended to be used continuously in high performance applications it may be necessary to use external cooling methods for example heat sink fan etc which will allow the SoC to continue running at maximum clock speed indefinitely below its predefined 85 C peak temperature limiter...

Page 10: ... communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increas...

Page 11: ...have one Chip antenna Yes the module contains a permanently attached antenna The 2 4G antenna gain is 1 5dBi 5G antenna gain is 2 3dBi The use condition of the prototype is mobile 2 4 Limited module procedures If a modular transmitter is approved as a limited module then the module manufacturer isresponsible for approving the host environment that the limited module is used with The manufacturer o...

Page 12: ...he defined parameters of the antenna trace as described by the instructions require that the host product manufacturer must notify the module grantee that they wish to change the antenna trace design In this case a Class II permissive change application is required to be filed by the grantee or the host manufacturer can take responsibility through the change in FCC ID new application procedure fol...

Page 13: ...ated the following texts Contains FCC ID 2A3PA RADXA ROCK3C 2 9 Information on test modes and additional testing requirements5 Additional guidance for testing host products is given in KDB Publication 996369 D04 Module Integration Guide Test modes should take into consideration different operational conditions for a stand alone modular transmitter in a host as well as for multiple simultaneously t...

Page 14: ...shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed Explanation The host shoule be evaluated by the FCC Subpart B This product uses Chip antenna with a maximum The 2 4G antenna gain is 1 5dBi 5G antenna gain is 2 3dBi ...

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