Portable Wireless MP3 Transmitter and Tour Guide

Product Name: Portable Wireless MP3 Transmitter and Tour Guide Model NO.: TP-WTG04 Operating System: Windows Function: Bluetooth, 2.4G Recording Modes: Without Screen: TFT Operation: Push-Button SNR: 95dB PC Interface: 2.4G Style: Device Memory Size: 2GB Shortest Latency: < 0.5ms Frequency Response: 20 -20kHz Brand Name: Soyo Model Number: Soyo-Wtg2010-MP3 Use: School, Church, Conference Rx Supply Voltage: 2.5_3.6V DC Frequency: 2.400-2.483GHz Type: Active Sound Quality: Anti-Interference Special Feature: Wireless, Portable Trademark: SOYO Transport Package: Solid Paper Box Packing Specification: All Origin: Shenzhen, China HS Code: 8525500000 Product Description Specification*Performance characteristics.* Operate frequency: 2400-2483MHz* Channel: 20* Small in size, high integration* Shortest sound delay: <0.5 ms* Low power consumption, wide voltage input, the transmitter can work at least 6 hours continuously, the receiver can work at lease 30 hours continuously.* Real digital transmit, with the encrypt pairing function, the receiver which not been paired will not receive the signal of this group.* Automatic scan function. (Refer order description)DescriptionPower(input voltage): 3.7VNokia lithium batteryWork currency: 120Ma(MAX)Operate tenperature: 25 ~ 85 CFrequency: 2400 ~ 2483MHzModulate: GFSKChannel width: 4MHzChannel choose method: One-way loopTransmit power: 19dBmInput level: Max 1.0VpkInput impedance: 10k OhmInput interface Two kind input mode: 1. Microphone input2. Stereo sound input(confirm when order)Output impedance: 1k OhmInput-output gain ratio 1: 1Delay: < 0.5 msSNR: 95 dBDistortion: 0.3 % @ 1KHzDynamic range: 90dBLeft and right channel isolation: 85 dBNO.DescriptionTransmitter moduleReceiver module1Work voltage3.6- 6V DC2.5 - 3.6V DC2Work electric currentMax 120mAMax 35mA3Work temperature-15 - +65-15 - +654Frequency response2400 - 2483 MHz2400 - 2483 MHz5ModulationGFSK6Baud rate2M bps2M bps7Channel space4MHz4MHz8Stabilization of frequency+/-156KHz+/-156KHz9Work frequency range2400 - 2483 MHz2400 - 2483 MHz10Work channel20 CH20 CH11Channel space of module4MHz4MHz12Output power0-20 dBm13Receiver sensitivity90dBm14Input powerMax 1.0Vrms15Input impedance10k Ohm16Input modeTwo input modes: 1. Microphone 2. Stereo audio17Stereo output 130mW RL = 32Ω18Stereo output 250mW RL = 16Ω19Output impedance1k Ohm20RF Distance100-150 meters in the open area under 20dBm21Output input gain ratio1:122Frequency response20 - 20000Hz ( +/1dB )23The latency time< 0.5 ms24Sampling ratio64kHz@16 bit*225SNR95 dB26Distortion0.8%@1kHz27Dynamic range90dB28Separation between the left and right track70 dB