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Product Description Hardware Specifications: 1. Main chip: ESP32 2. Module: ESP32-WROVER-B,SIM7600E-H 3. Interface:USB,SD Card,Solar Input interface 4. Flash Memory: 4M Flash / 8M PSRAM 5. Button: Reset,Power switch 6. USB to TTL: CP2104 7. Car Clock: 40MHz 8. SIM Card Size: Nano SIM Card 9. SIM Antenna 10. GPS Antenna 11. Operating Temperature Range: -40-85 degrees 12. Product Size: 111mm x 37mm x 20mm 13. Product Weight: 50g Power Specifications: 1. Working Voltage: 5V input 2. Solar input voltage range???4.4-6V 3. Working Curent: About 200mA 4. Charging Current: 780mA 5. Battery Model: 18650 6. Battery Holder Model: 18650 battery holder 7. JST Connector: 2pin 2mm 8. USB: TYPE-C 3.0 Wi-Fi: 1. Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC 2. Protocol: 802.11 b/g/n(802.11n???speed up to150Mbps)A-MPDU and A-MSDU polymerization???support 0.4??S Protection interval 3. Frequency: range 2.4GHz~2.5GHz(2400M~2483.5M) 4. Transmit Power: 22dBm 5. Communication distance: 300m Bluetooth: 1. Protocol meet Bluetooth : v4.2BR/EDR and BLE standard 2. Radio Frequency : with -97dBm sensitivity NZIF receiver Class-1, Class-2&Class-3 emitter AFH 3. Audio Frequency : CVSD&SBC audio frequency Software Specification: 1. Wi-Fi Mode : Station/SoftAP/SoftAP+Station/P2P 2. Security Mechanism : WPA/WPA2/WPA2-Enterprise/WPS 3. Encryption Type : AES/RSA/ECC/SHA 4. Firmware Upgrade :UART download/OTA???Through network/host to download and write firmware??? 5. Software Development : Support cloud server development /SDK for user firmware development 6. Networking Protocol : IPV4, IPV6, SSL, TCP/UDP/HTTP/FTP/MQTT 7. User Configuration : AT + Instruction set, cloud server, Android/iOS APP 8. OS : FreeRTOS Version update function: 1. The batterys positive and negative poles are connected to the wrong protection, overcharge and over discharge protection 2. GPS power control, reduce power consumption, the lowest reaches 300uA when sleeping 3. Replacement of ordinary charging IC with solar charging ICSpecification: Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 11cm * 11cm * 3cm / 4.33inch * 4.33inch * 1.18inch Qty per Carton 100 Carton Weight 8.20kgs / 18.08lb Carton Size 57cm * 32cm * 24cm / 22.44inch * 12.6inch * 9.45inch Loading Container 20GP: 609 cartons * 100 pcs = 60900 pcs40HQ: 1414 cartons * 100 pcs = 141400 pcs

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1. Dimensions: 132×69×29 mm2. Weight: 200 grams3. Reading display: three and a half digits LCD display, the maximum reading is 19994. Gear position: low frequency-V/m, high frequency—μW/cm25. Test accuracy: low frequency 1V/m, high frequency 1μW/cm26. Test bandwidth: low frequency 5Hz-400KHz, high frequency 30MHz-2000MHz7. Battery model: 6F22 9V (not included)Features:1. Simple operation, can quickly measure the electromagnetic radiation intensity around home appliances, wires and industrial equipment2. Good value and easy to carry3. The test frequency band is wide, can be divided into two levels of high frequency and low frequency measurement4. The test is accurate, and the lowest frequency for measuring electromagnetic radiation can reach 5Hz5. Design conforms to CEApplication1. Used for environmental electromagnetic radiation testing: measurement of radiation sources such as rooms, offices, computer rooms, control rooms, cables, high-voltage lines, monitors, transmitters, etc.2. Used for electromagnetic radiation measurement of home appliances: test and analysis of radiation sources such as mobile phones, computers, televisions, copiers, fax machines, air conditioners, refrigerators, etc.Specification: Package Weight One Package Weight 0.24kgs / 0.54lb One Package Size 15cm * 9cm * 5cm / 5.91inch * 3.54inch * 1.97inch Qty per Carton 128 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 128 pcs = 22656 pcs40HQ: 412 cartons * 128 pcs = 52736 pcs

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1. Brand new and high quality 2. Built-in an auto switching dual USB power ports: Charging for the mobile phone, digital camera, iPod, PSP, MP3 Player 3. Universal AC power plugs 4. Over 150 countries worldwide compatible 5. Power up the through the AC power port and charge the mobile electronic products through the USB power port (5V) simultaneously 6. Note: AC-AC no voltage conversion, USB for charge only, indoor use onlySpecification: General Material ABS Input Voltage 100-240V 50/60Hz Input Current 6A Max USB Output Voltage 5V USB Output Current 2.1A Max Size 6.1*5.5*4.5cm Weight 107g Package Include Package Contents 1 x Adapter 1 x Manual 1 x Carry Bag Package Weight One Package Weight 0.15kgs / 0.33lb One Package Size 15cm * 9cm * 5cm / 5.91inch * 3.54inch * 1.97inch Qty per Carton 100 Carton Weight 15.00kgs / 33.07lb Carton Size 47cm * 32cm * 32cm / 18.5inch * 12.6inch * 12.6inch Loading Container 20GP: 554 cartons * 100 pcs = 55400 pcs40HQ: 1286 cartons * 100 pcs = 128600 pcs

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1. 100% brand new and high quality 2. A powerful built-in code repository, which is applicable upon home appliances of tens of thousands of models under various brands that are manufactured in different countries in different years 3. LCD with backlighting function, able to display various operating modes 4. Control by multiple menus function 5. Intellectual macroinstruction key (information displaying at regular intervals) 6. Memory when power cut function 7. The fashionable appearance, agreeable handle and easy operation will bring you a lot of convenience and enjoyment 8. Application: TV, VCR, VCD, DVD, A/C, CD and other infrared devices 9. Comfortable handle, easy and convenient to operate 10. Best replacement for your original remote controller 11. Key transfer function, volume sharing function 12. Time clock and alarm clock function 13. This control offers a learning function, it can copy the functions from original remote controls subject to infraredSpecification: General Model RM-L991 Material ABS Power Supply 3*1.5V AAA batteries (not included) Size 22.3*6.2*2.2cm Weight 134g Package Include Package Contents 1 x Remote Controller 1 x User Manual Package Weight One Package Weight 0.27kgs / 0.58lb One Package Size 24cm * 10.5cm * 4cm / 9.45inch * 4.13inch * 1.57inch Qty per Carton 80 Carton Weight 21.00kgs / 46.30lb Carton Size 50cm * 43cm * 42cm / 19.69inch * 16.93inch * 16.54inch Loading Container 20GP: 295 cartons * 80 pcs = 23600 pcs40HQ: 685 cartons * 80 pcs = 54800 pcs

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1. The remote control is suitable for most models of air conditioners of all brands manufactured by the countries around the world (such as: old-type air conditioners, window air conditioners, split-type air conditioners, direct current frequency conversion air conditioners, etc. ) 2. With the LCD display, the simple operation and the power off memory function, it is the good choice of the damage, loss and replacement of your remote control. 3. With the function of Time on/off, Fast heat/cool, Clock. 4. Offer manually & automatically searching to set up your A/C. 5. With LED light. 6. With LCD backlight. 7. With big button design. 8. New code library, cover more brands and models. 9. Power by 2 x AAA(not included)Specification: Package Weight One Package Weight 0.19kgs / 0.41lb One Package Size 24cm * 12cm * 4cm / 9.45inch * 4.72inch * 1.57inch Qty per Carton 60 Carton Weight 11.40kgs / 25.13lb Carton Size 48cm * 42cm * 38cm / 18.9inch * 16.54inch * 14.96inch Loading Container 20GP: 348 cartons * 60 pcs = 20880 pcs40HQ: 808 cartons * 60 pcs = 48480 pcs

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Do you have trouble at that how to connect 10 sets stereophonic signal source and 2 sets output equipment?Do you have trouble at that how to connect 2 sets stereophonic signal source and 10 sets output equipment?One strong stereophonic shift distribute device able to solve the problems that multiply equipment plug in and out, double way use.1. 10 sets stereophonic input adopt 10 gears mechanical switch manually shift, gears switch will not generate burst sound when shifting2. 2 sets output switch shift, 2 sets output can’t be output at the same time.3. Simple installation: input and output, able to be used once inserted, convenient to install, signal source non consumption shift, then can enjoy different hearing experience4. Mainly used to select and shift various stereophonic signal input mutually use to output one set or multiply sets equipment, example there has multiply stereophonic signal source (TV audio frequency, MP3 player, CD player, video game, mobile phone, PAD, computer, gramophone) and other equipment need output to power amplifier or source loudspeaker box.5. 10 sets audio frequency signal select shift device solve the complex circuit plug in and out operation, unify connect the equipment signal source which need input to the shift device then easily convenient to select.6. This product able to realize two operating methods, 10 input 2 output, reversely wiring realize 2 input 10 output, double ways use.Product Parameter:1. Material: metal2. Color: Black3. Interface: RCA interface4. Power supply: No need additionally connect power supply, able to be used once inserted5. Input and output impedance: 10K ohms - 50K ohms6. Frequency responding: 20 - 20kHz7. Distortion: Less than 0.002%8. Output consumption: Less than 0.01dB9. Signal gain: 0dB10. Signal-noise ratio S/N: Greater than 98dB11. Input and output interface: Standard RCA interface12. Input passageway quantity: 10 ways stereophonic select and shift input13. Output passageway quantity: 2 ways stereophonic select and shift output (Can not output at the same time, select 1 in 2 to output)14. Control switch: 10 gears shift switch and 1 set switch, accurately select the manually shift switch15. Input select shift passageway: 10 passageways16. Output select shift passageway: 2 passageways17. Single product net weight: 0.54 kg18. Product size: length 192mm x width 91mm x height 38mmSpecification: Package Weight One Package Weight 0.72kgs / 1.59lb One Package Size 22cm * 16cm * 7cm / 8.66inch * 6.3inch * 2.76inch Qty per Carton 20 Carton Weight 13.80kgs / 30.42lb Carton Size 45cm * 33cm * 35cm / 17.72inch * 12.99inch * 13.78inch Loading Container 20GP: 513 cartons * 20 pcs = 10260 pcs40HQ: 1191 cartons * 20 pcs = 23820 pcs

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1. Both left and right ears can be worn comfortably.2. A remote microphone with a push-to-talk button, you can edit anywhere.3. The transparent tube connected to the earplugs makes you look like a special agent or bodyguard, and protects your health from radio electromagnetic wave radiation.4. The earpiece/speaker fits easily in your ears to keep your conversation private.5. Cable length (plug and play): 135cm6. Two-pin standard diameter: 3.5mm stereo ear (thimble). Microphone 2.5 mm stereo (bottom pin)7. The distance between two needles: 11mm8. Weight: 35 grams9. Suitable for RETEVIS H-777, R888s Plus, RT-5R, RT-B6, RT-5RV, RT1, RT2, RT22, RT5, RT3, RT8, RT80, suitable for Kenwood KPG KPG27D, KPG29D, KPG48D, KPG49, KPG55D, suitable for BAOFENG UV5R, UV8, UV8D, UVB5, UVB6, A52, UV5RA, UV5RC, suitable for HYT TC286,386,2685,3865,6685,278,378,388,2100,2088, suitable for PUXING PX-777,PX-888 , PX-888K, PX-325, PX-358, etc.Specification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 17cm * 12cm * 5cm / 6.69inch * 4.72inch * 1.97inch Qty per Carton 120 Carton Weight 7.50kgs / 16.53lb Carton Size 51cm * 48cm * 50cm / 20.08inch * 18.9inch * 19.69inch Loading Container 20GP: 217 cartons * 120 pcs = 26040 pcs40HQ: 505 cartons * 120 pcs = 60600 pcs

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1. Two in one (18650 battery charger and smart mobile power), smart LCD display. 2. Each slot has a separate charging circuit and display that works independently. 3. Reverse polarity protection. 4. When charging the device, the LCD displays the output voltage and output current. When charging the battery, the LCD displays the input charging status. 5. When inputting and outputting at the same time, it will automatically charge the device first and then charge the battery. 6. Does not work, automatically turns off after 20 seconds, automatically turns on after charging, and automatically stops working after the output current is overcharged. 7. Press the backlight on/off for less than one second and turn the machine on/off for two seconds. 8. The maximum output current of the USB 1A output is limited to 1.5A, and the maximum output current of the USB 2A output is limited to 2.2A. 9. With dual output USB, both devices charge simultaneously. When outputting simultaneously, the total output current of the two USB ports is 2.2A. If the total output current is greater than 2.2A, the latest USB port will stop working.Specification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 21.1cm * 10.8cm * 2.6cm / 8.31inch * 4.25inch * 1.02inch Qty per Carton 104 Carton Weight 10.70kgs / 23.59lb Carton Size 41cm * 46cm * 46cm / 16.14inch * 18.11inch * 18.11inch Loading Container 20GP: 307 cartons * 104 pcs = 31928 pcs40HQ: 713 cartons * 104 pcs = 74152 pcs

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1. Brand new and high quality. 2. Input: AC 100-240V 50/60Hz 3. Output: DC 24V 1.5A 4. Connector outside diameter: 5.5mm 5. Connector inside diameter: 2.1mm 6. Cable Length: about 1.2mSpecification: General Types Adapter Connector 5.5 x 2.1mm Input Voltage AC 100-240V 50/60Hz Output Voltage DC 12V Output Current 1.5A Plug Available EU Plug Cable length about 1.2m Weight 151g Package Weight One Package Weight 0.13kgs / 0.30lb One Package Size 11.5cm * 6.9cm * 4.5cm / 4.53inch * 2.72inch * 1.77inch Qty per Carton 80 Carton Weight 14.70kgs / 32.41lb Carton Size 47cm * 25cm * 30cm / 18.5inch * 9.84inch * 11.81inch Loading Container 20GP: 756 cartons * 80 pcs = 60480 pcs40HQ: 1756 cartons * 80 pcs = 140480 pcs

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Hardware specifications 1. Chipset: ESP32-WROVER-B, AXP192 power management chip 2. Flash: 16MB 3. Static SRAM: 8MB 4. SRAM: 520 kB SRAM 5. Button: PWR power switch, reset 6. USB to TTL: CP2104 7. Vehicle clock: 40MHz crystal oscillator 8. Peripheral equipment: SIM Nano card slot, Mini PCIE card slot 9. Antenna: Onboard antenna (default) 10. Working voltage: 2.7V to 3.6V 11. Sleep current: About 700ma 12. Operating temperature range: -40 degrees Celsius ~ + 85 degrees Celsius 13. Dimensions: 75 x 33 x 10.5 mm 14. Weight: 14.5g Power Specifications 1. Power input: USB 5V / 1A 2. Charging current: 500 mA 3. Battery input: 3.7-4.2V 4. Charging IC: AXP192 5. JST connector: 2-pin 2.0mm 6. USB: Type C wireless online 1. Standard: FCC / CE-RED / IC / TELEC / KCC / SRRC / NCC (ESP32 chip) 2. Protocol: 802.11 b/g/n (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4uS guard interval 3. Frequency range: 2.4GHz-2.5GHz (2400M-2483.5M) 4. Transmit power: 22dBm 5. Communication distance: 300m Bluetooth 1. Protocol: Compliant with Bluetooth v4.2BR/EDR and BLE standards 2. Radio frequency: NZIF receiver Class-1 with sensitivity of -97dBm, Class-2&Class-3 transmitter AFH 3. Audio: CVSD&SBC audio Software specifications 1. Wi-Fi mode: Workstation / SoftAP / SoftAP + Station / P2P 2. Security mechanism: WPA / WPA2 / WPA2-Enterprise / WPS 3. Encryption method: AES / RSA / ECC / SHA 4. Firmware upgrade: UART download/OTA (download and write firmware via network/host) 5. Software development: support cloud server development / SDK for user firmware development 6. Network protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT 7. User configuration: AT + command set, cloud server, Android / iOS app 8. Operating system: FreeRTOS Packing list 1. T-PCIE 16MB x 1 2. Charging cable x 1 3. Needle Pin x 2Specification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 300 Carton Weight 13.00kgs / 28.66lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 300 pcs = 169800 pcs40HQ: 1314 cartons * 300 pcs = 394200 pcs

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1. A 4-inch LCD screen is used. Due to the larger screen, there is more PCB space for installing components and batteries2. Use an independent charge pump to power the mixer and add tantalum capacitors, which can further reduce power supply noise3. In order to make it easier for geeks to create more possibilities, UART1 and PC14, PC15 interfaces are drawn on the PCB, which is convenient for DIY expansion4. ABS shell, can effectively protect SMA connectors and buttons5. DC dimming is added, it can be seen more clearly when used outdoors, and it is more comfortable to use indoors.6. Optimized the bridge to make full use of the Si5351s harmonics. Now the 5th harmonic can be used to measure to 1.5GHz;7. When the fundamental wave is used, the output level of CH0 is increased to 0dBm, and the reflection measurement is more accurate;8. Solve the previous abnormality of NanoVNA-H near 6MHz9. The redesigned power management circuit further reduces power noise, reduces USB power interference, reduces charging current, and protects the battery10. Optimized PCB layout, accommodating 1950mAh battery, more than 8 hours of usepacking list:1. NanoVNA host x 1 (including 4-inch touch screen, 2000mAh battery)2. 15cm SMA male to male RG316 RF cable x 23. SMA female to female connector x14. SMA simple calibration kit SHORT x15. SMA simple calibration kit OPEN x16. SMA simple calibration kit LOAD x17. USB Type-C data cable x18. Type-c to Type-c x1 supports connection with most Android phones9. One pickSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 24cm * 14cm * 3cm / 9.45inch * 5.51inch * 1.18inch Qty per Carton 40 Carton Weight 15.80kgs / 34.83lb Carton Size 50cm * 30cm * 32cm / 19.69inch * 11.81inch * 12.6inch Loading Container 20GP: 555 cartons * 40 pcs = 22200 pcs40HQ: 1289 cartons * 40 pcs = 51560 pcs

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1. Size: 160X46X78 (mm)2. Weight: about 310 grams3. Frequency range: FM: 87 ~ 108 MHz, AM: 520 ~ 1710 KHz, NOAA: 162.400 ~ 162.550 MHz4. Battery capacity: 2000 mAh5. Emergency must-have: AM / FM and NOAA weather alert radios, broadcasting emergency weather alerts to you, such as hurricanes and heavy rain.6. Desk lamp and 1W LED flashlight: it can light up dark space in an emergency.7. Hand-cranked to save time, 2000 mAh rechargeable battery provides up to 12 hours of light or 4-6 hours of radio time.8. SOS alarm, flashing red light, ask for help.9. Various charging methods: hand crank, solar charging, USB data cable . Rechargeable USB port devices, such as smartphones, let you connect and power.10. Packing size: 20x9x7cm11. Including accessories: a charging cable, a manualSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 20cm * 10cm * 8cm / 7.87inch * 3.94inch * 3.15inch Qty per Carton 60 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 60 pcs = 10620 pcs40HQ: 412 cartons * 60 pcs = 24720 pcs

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