Industry-leading coverage

WatchAir covers 60 mileage reception distance with complete triple band for over-the-air TV.

Power always does matter.

You can turn our advanced power amplification on or off from our app for more control.

Location, Location, Location

Our patented technology will guide you to find a better location to install WatchAir antenna.

We love your antenna too.

Do you have an already-proven antenna? Then you’re welcome to connect yours with WatchAir!

The industry-first antenna

Highly integrated advanced antenna to wirelessly stream and record live TV based on our patent.

High quality HD streaming

Efficiently compressed HD video at 720p resolution is used in all standard streaming and recording.

Just like other streaming apps

We do all homework to let you use our antenna as nothing but an app just like others. Please enjoy.

Live TV out of doors

By using uPNP feature in your WiFi router, you can even watch and record your live TV out of doors!*

*Currently beta testing on Android app. iOS support will be later. Only for personal usage. No support for commercial usage or corporate environments. 

Major devices supported

WatchAir supports more than 20 devices including phones, tablets, boxes, sticks, and smart TV’s.

Many storage options

WatchAir has a built-in 7GB storage with an optional micro SD support (up to 2TB) and USB 2.0.

Enhanced program guide

TV program guide in WatchAir is based on enhanced rich data subscription.

Concurrent view support

WatchAir can also support some concurrent multi-channel view use cases as summarized here.


Model EPUS-100B • Black Color / EBUS-100W • White Color
Warranty US Only / One-year limited warranty
Size 18.1" x 7.6" x 0.57“ (device) / 20¼ “x 5” x 2¼ “(package)
Weight 11.1 oz. (device) / 32 oz. (package)
System Requirements 1. Smart phone and tablet based on iOS (9.0 or later) or Android (5.1 or later). 2. A WiFi router with Internet connection. 3. A power outlet.
Ports External antenna connector, Micro SD slot (SDHD), reset hole, Type A USB 2.0 port, and DC power connectors (2)
Included in the Box 1. TV Antenna 2. Smart bar 3. Upright mode bracket 4. Desktop mode bracket 5. Screws (2 pcs) 6. External antenna connector 7. AC/DC power adapter (5V/2.5A) with a 10-foot-long cord 8.Quick installation guide
  Antenna usage Indoor (32F~104F)
  Antenna directionality Bi-directional antenna
  Antenna Coverage 60 miles coverage under triple band coverage (UHF, VHF High, VHF Low)
  Existing antenna support Supported with an additional antenna connector
  Antenna Power Amplifier Advanced low noise amplifier (LNA) that can be turned off from WatchAir app to use an existing power-amplified antenna.
  Smart antenna installation GPS-based live antenna installation guide on app (mobile device only)
  Installation Modes

Upright mode to use a built-in antenna on window or drywall

Desktop mode to use an existing antenna connection on desktop

Video resolution HD quality (720p). For TV over IP, the resolution may be less than 720p, depending on the network traffic.
Wi-Fi Connectivity Between WatchAir and a WiFi router: 802.11 b/g/n with 2x2 MIMO.
Between a WiFi router and supported devices: Any WiFi spec such 802.11b/g/n/ac as long as both products can support.
Remote and recording uPNP support in WiFi router is required. Personal home usage only. No support for commercial or corporate usage.
Supported devices Mobile devices: smart phone and tablet on iOS (9.0 or later) or Android (5.1 or later).
Streaming box and stick: Roku (Roku 3 or later), Amazon Fire TV and sticks (Fire OS 5.2 or later). Apple TV 3rd gen (only by Airplay), Apple TV (4th gen or later), Android TV (Nvidia Shield, Xiaomi Mi Box), Chromecast.
Smart TV: Sony Bravia Smart TV, Sharp AQUOS Smart TV, all Roku-enabled Smart TV’s, all Chromecast built-in Smart TV’s including Vizio, Toshiba, Philips, and so on.
TV Tuner Single ATSC 1.0 tuner
TV schedule guide Enhanced TV schedule guide by data subscription through internet.
Concurrent views 1. One live TV program can be streamed to two different devices.
2. One live TV program can be streamed to one device while another recorded TV program can be streamed to the other device.
3. Two different recorded TV programs by WatchAir can be streamed to two different devices.
Note: two different recorded TV programs or two different live TV programs can not be concurrently streamed.
Recording Storage 1. Built-in internal 7 GB for about 5 hours of recording
2. External micro SD card up to 2TB for about 1,500 hours of recording
3. USB 2.0-compatible storage such as Memory stick, SSD, or HDD under 3.5 Watt power requirement.
Note: Typical USB memory and SSD can be used. HDD usually needs a seperate power supply to be used.