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B017 – 6 Input 1 Output Audio Signal Selection Switcher Output Volume Adjustment Control 3.5mm InterfaceProduct description:6-channel stereo audio signal selection switcher with output volume adjustment function,The product adopts passive design, direct insertion, and has lossless switched transmission of input and output signals,The product is mainly used to select and switch among a variety of stereo signal input and output through a common set of equipment, that is, a variety of stereo signal sources of devices, such as TV audio, MP3 player, CD player, video game, mobile phone, tablet, computer, record player, need to be output on the amplifier or on active speakers,The 6-channel audio signal selection switcher solves complicated line plug in and plug out, which uniformly connects device input signal sources to the switcher for easily selection.The product uses standard 3.5mm interface design for input and output, and uses precise 6-level manual switch design for the switcher, with independent stereo volume adjustment control.Product parameters:Power supply: passive design, direct insertionMaterial: all-metal caseInput and output impedance: 10KΩ - 50KΩFrequency response: 20 – 20kHzDistortion: <0.002%Insertion loss: <0.01dBSignal gain: 0dBSignal to noise ratio S/N: >98dBInput port: standard 3.5mm interfaceOutput port: standard 3.5mm interfaceNumber of input channels: 6-channel stereo input signal sourcesNumber of output channels: 1-channel stereo outputControl switch: 6-level precise manual selection switchSwitching channel: 6 channelsNet weight: 0.26 kgGross weight with packaging: 0.36 kgProduct size: length 109mm X width 54 mm X height 40 mmPackaging size: length 185mm X width 135mm X height 65mmKit list:1 X 6 input 1 output stereo audio signal selection switcher output volume adjustment 3.5mm interfaceSpecification: Package Weight One Package Weight 0.36kgs / 0.80lb One Package Size 18.5cm * 13.5cm * 6.5cm / 7.28inch * 5.31inch * 2.56inch Qty per Carton 82 Carton Weight 30.00kgs / 66.14lb Carton Size 80cm * 58cm * 28cm / 31.5inch * 22.83inch * 11.02inch Loading Container 20GP: 205 cartons * 82 pcs = 16810 pcs40HQ: 476 cartons * 82 pcs = 39032 pcs

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GSM/GPRS/GNSS/Bluetooth HAT for Raspberry Pi, Based on SIM868Overview1. This is a handy, low power Raspberry Pi HAT which features multi communication functionalities: GSM, GPRS, GNSS and Bluetooth.2. It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, transfer data via Bluetooth, and so on.Features1. Raspberry Pi connectivity, compatible with Raspberry Pi 2B/3B/3B+/Zero/Zero W2. Support SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc.3. Support GPS, COMPASS, Glonass, LBS base station positioning, omni-positioning4. Bluetooth 3.0, supports data transferring through Bluetooth5. Onboard USB TO UART converter CP2102 for UART debugging6. 6x LEDs for indicating the module working status7. SIM card slot for 1.8V/3V SIM card8. RTC with backup battery holder9. Baudrate auto detection (1200bps ~115200bps)10. Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands)11. Support SIM application toolkit: GSM 11.14 Release 9912. Come with development resources and manual (examples for Raspberry Pi/Arduino/STM32)GSM/GPRS1. Band- GSM 850/EGSM 900/DCS 1800/PCS 1900 MHz- Quad-band auto search- Compliant to GSM phase 2/2+2. Emitting power- Class 4 (2W @ GSM 850/EGSM 900 MHz)- Class 1 (1W @ DCS 1800/PCS 1900 MHz)4. GPRS connectivity- GPRS multi-slot class 12 (default)- GPRS multi-slot class 1~12 (configurable)5. GPRS data feature- Downlink speed: max 85.6kbps- Uplink speed: max 85.6kbps- Coding schemes: CS-1\CS-2\CS-3\CS-4- Support PAP (Password Authentication Protocol) for PPP connection- Support PBCCH- Support USSD6. SMS- Support: MT/MO/CB/Text/PDU mode- SMS storage: SIM card7. Audio- Voice encode/decode mode: Half Rate\Full Rate\Enhanced Full Rate\Adaptive muti rate- Support echo cancellation- Support noise reductionGNSS1. Receiver type- 33 tracking channels- 99 acquisition channels- GPS L1 C/A code2. Sensitivity- Tracking: -165 dBm- Cold starts: -148 dBm3. Time-To-First-Fix- Cold starts: 28s (typ.)- Hot starts: < 1s- Warm starts: 26s4. Accuracy- Horizontal position: <2.5m CEPBluetooth1. Integrates AT commands2. Compliant to Bluetooth specification3.0 + EDR3. Support SPP, OPP, HFP/HSP, etc.Misc1. Operating voltage: 5V2. Operating temperature: -40 degree C ~ 85 degree C3. Storage temperature: -45 degree C ~ 90 degree C4. Dimensions: 30.2mm x 65mmWhat is on Board1. SIM868 module2. ZMM5V1: Regulator diode3. SMF05C: TVS diode4. CP2102: USB TO UART converter5. MP1482: Power chip6. NDC7002N: Voltage level translator7. GPS status indicator8. NET indicator:- Flashes fast when the module starts up- Flashes slowly after GSM register succeed9. STA module working status indicator10. SIM868 UART Tx/Rx indicator11. Power indicator12. SIM868 control button: press the button and hold for 1s, to startup/shutdown the SIM86813 .Raspberry Pi GPIO connector14. SIM card slot15. USB TO UART interface16. 3.5mm earphone/mic jack17. GNSS antenna connector18. Bluetooth antenna connector19. GSM antenna connector20. CR1220 battery holder: for RTC backup battery21. UART selection switch- A: Control the SIM868 through USB TO UART- B: Control the SIM868 through Raspberry Pi- C: Access Raspberry Pi through USB TO UARTPackage Contents1. GSM/GPRS/GNSS HAT x12. GSM Antenna x13. GPS External Antenna (B) x14. Bluetooth Antenna x15. USB type A plug to micro plug cable x16. RPi screws pack (2pcs) x1Specification: Package Weight One Package Weight 0.19kgs / 0.41lb One Package Size 14cm * 8cm * 3cm / 5.51inch * 3.15inch * 1.18inch Qty per Carton 260 Carton Weight 15.00kgs / 33.07lb Carton Size 56cm * 40cm * 39cm / 22.05inch * 15.75inch * 15.35inch Loading Container 20GP: 305 cartons * 260 pcs = 79300 pcs40HQ: 708 cartons * 260 pcs = 184080 pcs

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