Best Two Standby

Tokkidas Video Baby Monitor with Camera and Audio Remote Pan-Tilt-Zoom Two Way Talk 5.5” 1080P LCD Screen Wireless Toddler Monitor with Infrared Night Vision Temperature Display Lullaby Clock Alarm

5.5” LCD Display & 2.4GHz Wireless Technology: This toddler audio monitor is equipped with a 5.5-inch large, 1080P HD color LCD screen, allowing you....
Remote Pan-Tilt and Zoom: This remote control camera can rotate 355° in horizontal and 120° vertical, 2 times magnification and all-round monitoring....
Two-way Talk & Multiple Cameras Linking: The clear two-way audio function allows you to converse and comfort your baby in time, give the baby a sense....
10 Hours Long Standby & Easy to Use: This baby camera monitor is equipped with 5000 mAh large capacity battery, the standby time can reach 10 hours....
Smart Features: This video baby monitor supports various functions like room temperature monitor and alert, infrared weak light night vision, 5....

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Radioddity GD-88 DMR & Analog 7W Handheld Radio, VHF UHF Dual Band Ham Two Way Radio, with APRS, Cross-Band Repeater, SFR, 300K Contacts

Dual Band, Dual Mode, and Dual Standby | It contains two independent VFOs that allow dual-band operation on VHF and UHF channels. With dual mode, the GD-88 allows a smooth transition from communication with conventional analog radios to digital DMR (DMR Tier II) at any time. It also comes with dual-standby to monitor two channels at the same time..
Cross-band Repeater Function | Working as a base radio to extend your talking range, it is capable of transmitting on one frequency band (UHF/VHF) a receive a signal on the other frequency band (VHF/UHF). Compared to traditional cross-band repeaters, can cross-band repeat from an analog band to a digital one (or from digital to analog.).
Same Frequency Repeater (SFR) Function | Using just one frequency for transmitting and receiving gives it full use of the DMR TDMA-technique by using one timeslot for receiving and transmitting the received signal on the same frequency, but using the second timeslot, acting as a Same-Frequency-Repeater (SFR). Multiple GD-88’s within a certain area can create a mesh-network, allowing single-VFO radios to communicate with other radios bridged by several GD-88’s that are operating in SFR-mode. The GD-88 is must-have radio for emergency situations where conventional com....

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Building, Setting Up, and Using the MMDVM JumboSpot for DMR, Fusion, & D-STAR

20W output power + 300K DMR Contacts: The Radioddity DB25-D is a mini powerful mobile radio with a compact design. Featuring 20W/5W high-low power selectable and 30,0000 DMR contacts storage, allowing bulk import via software..
Dual Band, Dual Mode and even Dual Standby: The DB25-D is a dual-band radio supporting both VHF and UHF transmission. You can switch between analog and digital (DMR Tier II) operation modes at any time. Besides, it’s with dual standby function..
GPS Function: The DB25-D is with GPS function which can be used for APRS, which is for real time digital communications of information of immediate value in the local area. This makes it a ‘must go’ for any off-road and overland communities..
Color Screen & Dual Speakers: The radio comes with a multicolor high-resolution screen. It has two speakers: one in the mic and one on the front of the radio, you can choose whether to use both or just one of the two. There is a microphone gain option as well..
7 Customizable Keys: 3 on the radio and additional 4 on the speaker mic, each with Long / Short press options....

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1080P Smart wifi Video Doorbell, Security Camera Waterproof with 180° Viewing Angle/Motion Detection/Night Vision/Two-way Aduio / 7-Day Free Cloud Service

...t,so you can see clearly outside in the dark. The cameras infrared night vision allows you to see up 15 ft in the dark.
③7-Days Free Cloud Service — With Cloud, you can review, customize, save, share the footage, or have a flashback of all-day details in just few seconds.
④Ultra Lower Power and Ultra Long Standby Time — Adopt ultra low power technology. In standby mode, the smart doorbell can work regularly for more than 6 months with two 18650 batteries(included) via Micro USB Cable charging two pieces of 18650 rechargeable battery, the camera doorbell can be charged by universal 5V 2A phone adapter.
⑤Easy Installation — Just fix the mounting bracket with tape, easy and convenient.

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Telephone Intercom, 433Mhz Wireless Intercom System Calling Intercom Secure Interphone Handsets Extendable for Warehouse Office

Wireless Intercom System: Door Phone Intercom System, no telephone wires needed, built-in rechargeable battery, works with or without electricity power, standby time 30 days. Save your phone bills..
Plug & Play: Simple to use. Can be placed on desk or mounted on any surface, horizontally on wall surface or vertically on any flat surface..
Barrier Free: Clear two way communication and has an impressive 100 meters within building and 500 meters in the open field without barrier and long distance reception transmission..
High Performance: Clear Voice and Secure Digital Communication. 433MHz working frequency, anti-interference signal..

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Radioddity GD-88 DMR & Analog 7W Handheld Radio, VHF UHF Dual Band Ham Two Way Radio, with GPS/APRS, Cross-Band Repeater, SFR, 300K Contacts

Dual Band, Dual Mode, and Dual Standby: The GD-88 contains two independent VFOs that allow dual-band operation on VHF and UHF channels. With dual mode, the GD-88 allows a smooth transition from communication with conventional analog radios to digital DMR (DMR Tier II) at any time. It also comes with dual-standby to monitor two channels at the same time..
Cross-band Repeater Function: Working as a base radio to extend your talking range, the GD-88 is capable of transmitting on one frequency band (UHF/VHF) a receive a signal on the other frequency band (VHF/UHF). Compared to traditional cross-band repeaters, the GD-88 can cross-band repeat from an analog band to a digital one (or from digital to analog.).
Same Frequency Repeater (SFR) Function: Using just one frequency for transmitting and receiving gives it full use of the DMR TDMA-technique by using one timeslot for receiving and transmitting the received signal on the same frequency, but using the second timeslot, acting as a Same-Frequency-Repeater (SFR). Multiple GD-88’s within a certain area can create a mesh-network, allowing single-VFO radios to communicate with other radios bridged by several GD-88’s that....

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YAMAHA R-N303BL Stereo Receiver with Wi-Fi, Bluetooth & Phono

Works with Alexa for voice control (Alexa device sold separately).
Simple and sophisticated design with two channels of 100 W high-power output. Minimum RMS Output Power: 100W plus 100W (8ohms, 40Hz-20kHz, 0.2 percentage THD).
Phono input terminals for turn tables voice control using your Alexa device like echo or echo dot. FM 50dB Quieting Sensitivity (IHF, 1kHz, 100% Mod., Mono) - 3 µV (20.8 dBf). FM Signal-to-Noise Ratio (Mono/Stereo) - 65dB / 64dB.
Optical and coaxial Audio inputs for TV. Frequency Response-0 ± 0.5dB / 0 ± 3.0dB. FM Signal-to-Noise Ratio (Mono/Stereo)-65dB / 64dB.
Access to your music library, Pandora, Spotify, SiriusXM internet radio, Tidal and Deezer. Standby Power Consumption-0.1W (Network standby on / Wi-Fi connection, 1.8W).
Wi-Fi, wireless direct, Bluetooth, airplay, and MusicCast multiform Audio. Network section - DLNA - Version 1.5.

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Simple Wireless Low Power Voice Intercom Doorbell Two-way Conversation Home Doorbell Intercom Kit 1v1 New Update with USB (Silver)

EASY TO INSTALL: The doorbell can be attached to the wall using 3M adhesive paper. You can also install freely according to your needs..
SUPER LONG TRANSMISSION DISTANCE: Up to 200M wireless distance - Powerful and stable signal transmission in large houses with coverage up to 200 M (no obstacles, no blocking). It is very convenient to answer the doorbell of the visitor at any distance from the room..
ONE-TO-MANY CONNECTION METHOD: The indoor bell is equipped with an indoor bell. By learning its code, an outdoor bell can be paired with N indoor bells without disturbing each other. Exquisite, compact, beautiful, and high quality..
LOW POWER CONSUMPTION AND LONG STANDBY TIME: It is powered by a lithium-ion battery and uses intelligent power-saving technology. The outdoor bell is powered by 4 alkaline batteries, which is convenient for battery replacement. The indoor bell is powered by a rechargeable lithium-ion battery. Low power consumption, long standby time, and an outdoor clock for up to six months..
TWO-WAY VOICE INTERCOM FUNCTION: Wireless voice doorbell, talk to visitors through two-way voice intercom, know who is visiting your home, talk to them, let them know that I am coming, please wait..

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Samsung Level U Pro Bluetooth Wireless In-ear Headphones with Microphone and UHQ Audio, Bronze

Ultra high Quality audio (uhq audio) over Bluetooth.Connectivity Technology: Wireless.
Ergonomic around the neck design, splash & sweat resistant.
Control call and music functionality intuitively by way of Smart Magnets in the earbuds - start/pause music and answer/end calls when Magnets are connected or disconnected..
Battery life up to 9 hours Talk/9 hours Play/ 300 hours standby..
13mm dynamic and 13mm piezo speaker units deliver high-quality, clear sound.
Stylish, premium design with two-way speaker units and UHQ Audio (Ultra-High Quality Audio) for superior sound. UHQA is compatible with select Samsung Galaxy devices.
Flexible urethane joints and lightweight design for a comfortable fit.
Splash and sweat resistant for active use.
Battery Life up to 9 hours talk/9 hours play/300 hours standby, kindly refer the user manual given below for troubleshooting steps..

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