Says "requires paid tv guide for dvr record", so all recording is totally disabled unless you pay?

Just received my order. Attached and it formatted USB drive. Even though the app allows me to setup to record shows, no recording was performed. Under Account Info, showed DVR is not active. After googling, HDHomeRun's web page said subscription ($35/yr) is required if want to use DVR on HDHomeRun ("not required if you are using third party DVR software/service" like Plex).

Router in garage, indoor antenna best by far away window, no ethernet ports in house, coax outlet only. Can I make this unit work?

I don't know how you'd do that without an Ethernet connection. This is designed to take "off air" programs by way of an antenna and provide them on an Ethernet connection so that you can either control them with a server (which is often acting as a DVR), or with a network direct connect to your streaming box or Smart TV. If you're running your network using Wi-Fi for streaming, and you have an Ethernet connection in your garage on your router, you could plug it in there. Long coax runs from an antenna can exhibit loss, so it's difficult to assess how well that would work since I'm not actually there, I can't comment. If you can get good TV signals off coax in the garage, then it should be able to work through your router.

Can you record two channels while watching a recorded show?

Yes, you can record two channels while watching a recorded show. Recording requires a USB hard drive and TV guide ($35/year).

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SiliconDust HDHomeRun Flex Duo 2 x ATSC Tuners - HDFX-2US

SiliconDust HDHomeRun Flex Duo 2 x ATSC Tuners - HDFX-2US

Product ID: 321173453

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Details

Compatible Devices
Android FireTV
Connector Type
RJ45
Brand
SiliconDust
Connectivity Technology
Ethernet
Color
black

💾USB HDD compatible for whole-home DVR

📺2 ATSC 1.0 tuners for dual-stream viewing

🔗Multi-room, multi-user network tuner

Description

📡 Cut the cord, not the quality—your home’s ultimate live TV hub!

WHOLE HOME DVR READY - Connect a USB hard drive and unlock full DVR capabilities with a premium TV guide subscription.
COMPACT LIGHTWEIGHT - Sleek 7x5x2.2 inch design weighing just 13.4 ounces fits effortlessly into any entertainment setup.
DUAL TUNER POWERHOUSE - Stream two live TV channels simultaneously across your home network.
SEAMLESS MULTI DEVICE ACCESS - Compatible with Android, AppleTV, Roku, Xbox, Windows, Mac, and more—watch anywhere, anytime.
FUTURE PROOF YOUR TV EXPERIENCE - Leverage ATSC 1.0 tuners for crystal-clear HD broadcast reception without cable fees.

The SiliconDust HDHomeRun Flex Duo HDFX-2US is a compact dual ATSC 1.0 network tuner that streams live TV to multiple devices simultaneously. Compatible with a wide range of platforms including Android, AppleTV, Roku, Xbox, Windows, and Mac, it supports whole-home DVR functionality via USB hard drive connection (requires paid TV guide). Perfect for cord-cutters seeking flexible, high-definition broadcast TV across their home network.

Specifications

Brand Name	SiliconDust
Item Weight	13.4 ounces
Product Dimensions	7 x 5 x 2.2 inches
Item model number	HDFX-2US
Color Name	black

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