Top Power Banks For Communication Networks

HF Transceiver Kit Manual Antenna Tuner Tune DIY Precision Kit 1-30 Mhz for HAM Radio QRP DIY Kit

  • 【DIY Anteena Tuner Kit】This kit welding comes with standing instructions,used to make transceiver and antenna effective match to meet your....
  • 【Q9 Type Interface】Q9 type interface (such as the need to own M-type interface), using T-topology networks, shortwave 1-30MHz. Can withstand the....
  • 【Tuning Matching Range】The antenna impedance matching range is about 30 - 300 ohms, Can be very convenient for QRP communication, to ensure high....
  • 【Purchase Note】This kit is not a ready product but need welding and install by yourself, i believe that you to fully enjoy the fun of DIY..
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Intercom Microphone, Noise Free Dual way Intercom Interphone, Bank Office Store Station Window Counter Microphone Speaker Walkie talkie US

  • ▶▶【Easy to install】 - With fully automatic call control, the external machine's microphone and speakers are connected with an integrated design and host front-line system for easy installation..
  • ▶▶【Two-way voice】 - Internal and external to the two-way voice signal output (recorded by the bank teller), the stereo jack output mode prevents voice recording by the power switch and function buttons..
  • ▶▶【Anti-interference and no noise】 - anti-interference and noise-free function. Two-way voice intercom communication technology, which does not require any action to automatically recognize and process voice signals during a call. Dedicated anti-sound processing chip with automatic mute function..
  • ▶▶【Application】- Banks, securities, hospitals, offices, shops, and bus stations are equipped with speech talks in the window. They can talk freely with the guests without worrying about the sound insulation of the glass and the communication is not smooth..
  • ▶▶【Service】 - Your complete satisfaction is our number one priority. If you find any quality problems or operational problems, in addition to man-made damage, please contact us through your Amazon order, we will resolve it as soon as possible..
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ciciglow Window Speaker Intercom System, Dual Way Window Microphone Intercom Speaker, Bank Counter Interphone, Auto Call Control, for Business,Government Office,School(US)

  • Speaker and Mic: This intercom system features premium speaker and high sensitivity microphone, designed for counter and dual way interworking..
  • Simple Operation: Just connect the power adapter and external speakers to the main station, and there are 2 knobs to adjust the internal and external volume..
  • Pure Sound Quality: Using excellent electro acoustic circuit device, the main and auxiliary machines are both 5W high power output, with clear voice and high resolution..
  • Auto Call Control: Adopt duplex voice intercom communication technology, automatically recognize and process voice signals without other operation..
  • Wide Application: Suitable for places where safety glass is installed, such as banks, ticket offices, hospitals, post offices, embassy visa offices and station window, etc..
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Dell TrueMobile 350 Bluetooth Wireless Card RD530 W9242 X5166 UG748

  • Bluetooth 2.0, 1.2, 1.1 Support . Enhanced Data Rate with speed up to 3 Mbps. Lower power consumption for longer battery life.
  • Dell TrueMobile 350 2.0 integrated Bluetooth wireless solution allows you to enjoy wireless communication between your laptop and Bluetooth-enabled devices such as keyboards, mice, cell phones, headsets, printers, digital cameras, PDAs, etc Connection to the Internet or corporate networks is also possible via a Bluetooth-enabled cell phone and dial-up networking.
  • This module is Bluetooth 2.0 compliant with Enhanced Data Rate up 3 Mbps which allows you to use multiples Bluetooth devices for bandwidth-intensive applications such as the transfer of large images, videos, and data files. Backward compliant with Bluetooth 1.2 and 1.1 ensures compatibility with older Bluetooth devices..
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Development Board Module Kit Fit for 850/900/1800/1900 MHz GPRS/GSM Antenna, 5~26V

  • The other power supply port leads to the 3.7--4.5V power supply for lithium battery power supply. The serial port is perfectly compatible. The TTL serial port is compatible with 3.3 and 5V microcontrollers..
  • Make sure your SIM card is not locked. The best baud rate for GPRS Shield communication is 19200 BPS 8-n-1 (GPRS Shield automatically matches baud rate by default). Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world..
  • GPRS multi-slot class 10/8. GPRS mobile station class B. Compliant to GSM phase 2/2+. Class 4 (2 W @ 850 / 900 MHz). Class 1 (1 W @ 1800 / 1900MHz). Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands. Short Message Service - so that you can send small amounts of data over the network (ASCII or hexadecimal)..
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DIGI XBP9B-DMSTB002 RF TXRX Module, XBee-PRO 900HP (S3B) DigiMesh, 900MHz, 250mW, RPSMA, 200Kbps, 32K Programmable

  • Application: Home security alarm and remote keyless entry； Smart home and industrial sensors； Wireless alarm security system； Building automation solutions； Wireless industrial-grade remote control； Health care products； Advanced Meter Reading Architecture(AMI)； Automotive industry applications..
  • Technical manual support: http://www.ebyte.com/en/product-view-news.aspx?id=437.
  • Features: Communication distance tested is up to 7km； Maximum transmission power of 160mW, software multi-level adjustable； Support the global license-free ISM 868/915MHz band. Support air date rate of 0.018-62.5kbps in the LoRaTM mode； Support 300kpbs in the FSK mode.
  • Compatible with the transceiver of SX1278/SX1276.
  • With large capacity, FIFO supports 256Byte data cache..
  • New SF5 spreading factor to support dense networks.
  • Support 2.5V~3.7V power supply, more than 3.3V power supply can guarantee the best performance.
  • Industrial grade standard design, support -40 ~ 85 °C for working over a long time.
  • IPEX and stamp hole are optional, which is convenient for secondary development and integration..
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Whistler WS1040 Handheld Digital Scanner Radio

  • Menu Driven Programming with Context Sensitive Help – Each menu item provides a few lines of help text that provide assistance with programming and using the scanner.
  • Scan List-functionality allows you to arrange, group and scan objects according to your preference.
  • Free-Form Memory Organization – Allocation of memory dynamically and efficiently as it is needed. This differs from low cost and older scanners that had memory organized in rigid and wasteful memory banks.
  • Skywarn Storm Spotter Functionality – Instant access to frequencies used by storm spotter networks.
  • Digital AGC – Instantly compensates for low user audio levels that are common on digital systems.
  • Data Cloning – Allows transfer of the programmed data to another WS1010 scanner..
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Retekess TW106 Window Intercom,Loud Speaker,No Noise Interference,2 Way Bank Speaker,School Intercom System for Restaurant,Government Office,Ticket Window,Medical Office

  • TW106 window intercom adopts advanced technology to ensure clear and natural sound.
  • microphone can be adjusted at will in 360°.
  • microphone working indicator shows the speaking status.
  • TW106 two-way intercom uses all black configuration.
  • support external microphone equipment to realize wireless window intercom.
  • TW106 window speaker widely used in banks.
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Brigtviee Power Bank Fast Charging 50000Mah Portable Charger, High Capacity 3 Outputs Phone Battery Pack with Flashlight & LED Display External Battery Compatible with iPhone, Android,Standard

  • ✔ [Upgraded 50000mAh High Capacity Portable Charger]: Portable Power Banks Made by High Quality Lithium Polymer Battery, The power banks charge for iPhone 8 up to 27.4 time, for iPhone 11 up to 15 time, for Huawei mati 30 up to 11.9 time, for iPhone 12 up to 18 time, No worries with the low battery of your mobile phone, Portable Phone Charger Make your life more convenient.
  • ✔ [6 Ports External Battery Pack]: Portable Power Bank with 3 input(USB-C, Micro USB, Lightn...) and 3 output(3 USB), Portable Phone Charger the intelligent identification of USB makes it possible to automatically detect and adjust the charging current for faster charging. Charge 3 different devices simultaneously at their maximum speed, Greatly save your charging time.
  • ✔ [Power Bank with LED flashlight and digital display]: Backup Battery Intimate LED large-screen display Allows you to clearly see the remaining power, accurate to 1%, which is convenient for you to arrange the charging time in advance, Power Banks included LED flashlight can be used for daily emergency lighting, Power Banks great for outdoor activities like camping, hiking and other emergencies.
  • ✔ [Portable Charger Import Intelligent Controlling IC]: The portable charger adopt Import Intelligent Controlling I....
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DMXcat

  • DMX Controller: a single universe (512) DMX channel controller with two (2) user interfaces.
  • Fixture ControllerDMX: test app for multi-attribute fixtures with built in database of lighting fixtures.
  • RDM Controller: App for bi-directional communication/control of RDM enabled devices.
  • DMX Tester: Permits users to analyze and or adjust settings for transmitting or receiving DMX.
  • RF Spectrum Analyzer: For surveying and visualizing Wi-Fi networks.
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Retevis RT22 Walkie Talkies Rechargeable Voice Activated Emergency Alarm Outdoor Cruise Ship Walkie Talkies Two Way Radio(4 Pack)

  • ...- With the Dual Watch feature you can program your radio to monitor two pre-selected channels at once. Tune to the 1st channel you want to program. Press and hold the DW button until "DW" begins flashing on the display..
  • Full Coverage - CB radios provide reliable communication which is not dependent on satellites and cellular networks. This CB Radio can access up to 40 CB radio channels and scan to find the one with the best signal with the touch of a button..
  • 4W Power Output – Filter out background noise from traffic or engine with Cobra’s range of CB Radios. With the maximum power allowed by law, 4 Watts of Radio Frequency output power, as well as a heavy-duty microphone for loud, clear sound..
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2Pcs NRF24L01+PA+LNA RF Wireless Transceiver Module with SMA Antenna 2.4G 1100m & Wireless Module with Breakout Adapter On-Board 3.3V Regulator

  • NRF24L01+PA+LNA Wireless Transceiver Module is a 2.4GHz ISM band transceiver, compatible with Raspberry Pi. Auto-acknowledge and auto-retransmit abilities.
  • Support up to six channels of data reception.
  • the transceiver come with power amplifier and SMA antenna, which make the effective communication distance has been greatly expanded..
  • A host microcontroller can communicate and configure the nRF24L01+ over a 4-pin Serial Peripheral Interface (SPI). The configuration registers are accessible through the SPI connection. Configurable parameters include frequency channel (125 selectable channels), output power, and data rate (data rates: 250kbps, 1Mbps, and 2Mbps)..
  • RF24L01+ Breakout Adapter: Small power on SMD LED indicator, On-board 3.3V voltage regulator, which accepts +5V power supply input and provides 3.3V for the attached "nRF24L01+" module..
  • Applications:It can be wildly used in wireless remote control such as RC planes/vehicles, wireless audio, wireless voice transmission such as VoIP, wireless networks, smart home,somatosensory devices, RFID, NFC etc..
  • Package Included:2 x NRF24L01+PA+LNA Wireless Transceiver Module+2 x SMA Antenna+2 x NRF24L01+ Breakout Adapter.
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