Operational Description

FCC ID: SU5-T5808

Operational Description

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FCCID_525310

1. Introduction This document describes the specification and features of CHEMLINK 5.8GHz Audio/Video Transmitter and Receiver Modules with Main Board（baseband）which use FM modulation technology for wireless A/V transmission application. 2. Features 2.1 Avoid interference from crowded 2.4GHz ISM applications such as Video Sender, 802.11b Wireless LAN, Bluetooth, Cordless Phone, Microwave Oven, etc. 2.2 Operating Frequency of 5725 ~ 5875MHz（8 Channels） 2.3 Directional Antenna minimizes multi-path and interference 2.4 Up to 300 feet range, clear line of sight 2.5 Support NTSC TV signal 2.6 High S/N Video output and Stereo Audio output 3. Specification 3.1 Transmitter Module – VT5N1-2 3.1.1 General specification Input Voltage（module） DC 5V / 8V ±0.15V Current Consumption < 300mA Antenna Type Patch Operation temperature & humidity 0℃ ~ +50℃ less than 85% Storage temperature & humidity -20℃ ~ +70℃ less than 90% 3.1.2 Electrical specification RF Output power @ connector +10dBm Modulation Type FM RF Deviation（FM） 6.4MHz peak to peak Channel Frequency CH1 5733 MHz CH2 5752 MHz CH3 5771 MHz CH4 5790 MHz CH5 5809 MHz CH6 5828 MHz CH7 5847 MHz CH8 5866 MHz Channel Selection Dip Switch Frequency Stability ±250KHz Output Flatness 0 ~ +3dB 3

Video Input Level 1V peak to peak Impedance 75 ohms Pre-Emphasis NTSC D.G. < ±8% D.P. < ±8% Audio Input Level 2V peak to peak Impedance 600 ohms Frequency Response 30Hz ~ 12KHz Audio Carrier Frequency（L） 6.0MHz ±25KHz Audio Carrier Frequency（R） 6.5MHz ±25KHz Audio Distortion 3% max. THD AM Rejection 40dB min. 3.2 Tx Main Board（baseband） Input Voltage DC 12V Current Consumption < 500mA Video Input Level 1Vp-p（Yellow） Video Impedance 75 ohms Audio Impedance 2 Vp-p R（Red） L（White） Frequency Control I2C Bus 3.3 Receiver Module – VR511-2 3.2.1 General specification Input Voltage DC 5V ±0.15V Current Consumption < 350mA Antenna Type Patch Operation temperature & humidity 0℃ ~ +50℃ less than 85% Storage temperature & humidity -20℃ ~ +70℃ less than 90% 4

3.2.2 Electrical specification RF Input Frequency Range 5725 ~ 5875MHz Input Level @ connector -25 ~ -80dBm IF Frequency 479.5MHz IF Bandwidth 18MHz Gain Flatness 3dB max. Noise Figure 2dB Typical Input Return Loss 7dB Typical LO. Drift ±250KHz LO. Leakage -50dBm max. Image Rejection 40dB Video Output Level 1V ±0.15Vp-p Load. Impedance 75 ohms De-Emphasis NTSC D.G. < ±8% D.P. < ±8% Video S/N Ratio 38dB min. Audio Output Level 1.4Vp-p Impedance 600 ohms Frequency Response 30Hz ~ 12KHz 3.4 Rx Main Board（baseband） Input Voltage DC 12V Current Consumption < 500mA Video Input Level 1V ±0.15Vp-p Load（Yellow） Video Impedance 75 ohms Audio Impedance 1.4 Vp-p R（Red） L（White） Frequency Control I2C Bus Baseband Output Level 0.25 Vp-p（Typical） 5


Document Created: 2019-09-15 04:02:30
Document Modified: 2019-09-15 04:02:30
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