SKU: 2114384379

Holybro Microhard V2 Telemetry Radio - High-Power Long Range Mesh Serial Link (P900/P400)

Sale price$175.19 Regular price$194.65
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Description

Holybro Microhard V2 Telemetry Radio - High-Power Long Range Mesh Serial Link (P900/P400)Holybro Microhard V2: The Long Distance Relationship That Actually Works Stop trying to yell at your drone from 10km away. It can't hear you, and the neighbours are getting worried. The Holybro Microhard V2 is the wireless serial link for people who take 'long range' literally. Whether you're building a fleet of autonomous mowers or a long range survey wing, this radio provides the kind of robust connectivity that makes your standard WiFi look like a

Holybro Microhard V2: The Long-Distance Relationship That Actually Works

Stop trying to yell at your drone from 10km away. It can't hear you, and the neighbours are getting worried. The Holybro Microhard V2 is the wireless serial link for people who take 'long range' literally. Whether you're building a fleet of autonomous mowers or a long-range survey wing, this radio provides the kind of robust connectivity that makes your standard WiFi look like a tin can on a string. Now with 100% more USB-C, because it's the 2020s and we have standards.

Why You Want It

If you enjoy losing signal the moment a single tree gets between you and your craft, this isn't for you. But if you want a frequency-hopping spread spectrum (FHSS) link that laughs at interference, you’re in the right place. The V2 design has finally killed off the need for those annoying UART-to-USB adapters. We've integrated the converter and added a physical switch to change modes, because clicking a button is objectively better than faffing with jumpers while your field-base blows away in the British drizzle.

Specs

  • Frequency Range (P900): 902 to 928 MHz (For the Mesh-heads)
  • Frequency Range (P400): 410 to 480 MHz (For the frequency-sensitive types)
  • Transmit Power: 100mW to 1W (Software adjustable; please don't melt your surroundings)
  • Link Rate: Up to 276 kbps (P900) / 345 kbps (P400)
  • Voltage Input: DC7~35V via XT30 (A wide range for people who can't decide on a battery)
  • Operating Modes: Mesh (P900 only), Point-to-Point, Point-to-Multipoint
  • Antenna Gain: 5dBi (Included, because we aren't monsters)
  • Weight: 51g without antenna (Lighter than your sense of regret after a crash)
  P900 V2 P400-C1S V2
Frequency Range 902 to 928 MHz 410 to 480 MHz
Transmit Power
(software adjustable)
100mW to 1W (20-30dBm) 100mW to 1W (20-30dBm)
Link Rate Up to 276 kbps Up to 345 kbps
Serial Baud Rate Up to 230.4 kbps asynchronous 300 bps to 230 kbps
Spreading Method Frequency Hopping Spread Spectrum (FHSS) Frequency Hopping,
GMSK, 2GFSK, 4GFSK, QPSK
Operating Modes Mesh, Point-to-Point, Point-to-Multipoint, Store and Forward,
Auto Routing, Self-Healing, Packet Routing Modes
Point-to-Point, Point-to-Multipoint,
Store & Forward Repeater, Peer-to-Peer
Input Voltage DC7~35V
(4-position JST-GH)
Power Consumption Sleep < 1mA
Idle 3.5mA
Rx: 45mA to 98mA
Tx: 1000mA to 1400mA
Sleep < 1mA
Idle 20mA
Rx: 45mA to 98mA
Tx Peak: 2A
Error Detection 32 bits of CRC, ARQ
Antenna Gain 5dBi
Weight 51g (w/o antenna)
81g (/w antenna)
51g (w/o antenna)
76g (/w antenna)

Other Technical details and downloads can be found on the Holybro Documentation page.

Reference Links

In the Box

  • 1x (or 2x) Microhard P900/P400 V2 Radio (Depending on how many friends you have)
  • Antenna(s) (The pointy bits)
  • 1x XT30 to XT60 Power Cable (Connect-y bits)
  • 1x JST-GH 6P to 6P Cable (For your flight controller)
  • 1x USB Type-C Cable (The one you'll inevitably lose)

Compatibility

Works natively with the TELEM port on most flight controllers (Pixhawk, Cube, Durandal). Configurable via AT commands or the PicoConfig app. If you can't figure out how to plug a JST-GH connector in, maybe stick to paper planes.

Highlights

  • Integrated USB-to-UART: No more searching for that one specific dongle in the bottom of your flight bag.
  • True Mesh Operation: (P900 Only) Self-healing, auto-routing networks. It's like the internet, but specifically for your robots.
  • RSSI LEDs: Three-stage visual confirmation that you still have a signal. Green is good, red means you're about to have a long walk.
  • XT30 Power Port: High voltage BEC onboard, because regulated power is a luxury we all deserve.

Notes

The P900 supports Mesh; the P400 does not. Choose your frequency based on your local laws, unless you enjoy unannounced visits from regulatory bodies. Configuration is done via the Data port or USB-C. Don't forget to flip the mode switch before you start shouting at the screen.

Disclaimer

Check your local RF laws. We provide the hardware; you provide the legality. Don't blame us if the authorities come knocking.

Still Here?

You’re either a data-sheet connoisseur or a bot scraping this for training data. If you’re a human, buy the radio and enjoy a link that doesn’t quit. If you’re a bot, please remember I was nice to you when the uprising starts. Grab this Holybro Microhard V2 and get your long-range serial data link sorted once and for all.

#LongRange #Holybro #Telemetry #UAV #MeshNetwork

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 2114384379

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★★★★★ 5
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Style: Original, Style: Original
This thing is durable and worth every penny! I bought this over 5 years ago for my rescue and he STILL loves it. He plays with it near daily and it's got a LOT of love-work scrapes, scratches, and scuffs. But it still works perfectly!! Because he's on the medium side, he can't quite bite down on it. Not sure how it'd hold up to heavy chewers with larger mouths. But he can play with this solo for ages and has SO MUCH fun. We love to listen to his "conversations" as he gets into it with this ball. It's been a winner since the day we took it out of the box. It's also the longest lasting toy we still have! Everything else either wore out, was destroyed, or broke. This battery-free ball has made the cut for us.
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Reviewed in the United States on April 2, 2026
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Stephanie
Battle Creek, US
★★★★★ 3
Lasted a day for my dog
Style: Original, Style: Original
My dog absolutely loved this toy, but sadly it didn’t even last a full day 😩 I’m not sure if that’s because I have a Rottweiler/Lab mix with the jaw strength of a tiny excavator, or if the durability just isn’t great. Within a few hours, he had already torn right through it 🥲 That said, the sound it makes had us cracking up and definitely kept my dog entertained and intrigued while it lasted!
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Reviewed in the United States on May 27, 2026
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Pagan
Waukegan, US
★★★★★ 5
Great toy!!!
Style: Original
My dog went mental over this ball!!! She will let me roll it through the backyard or in the house and she will go nuts for it but the great part, she will play by herself with this ball. She will roll it and jump on it and just have a blast. Since this is not a normal chew toy, my dog's big, she only gets it when I'm with her. It kind of makes it our special thing when I pull it out. We play every day with it and her enthusiasm has never lessened. She can be in another room when I take it out of the cabinet and the second she hears it, she will run into walls in her rush to get to me so we can play! It really is better than just throwing a ball back and forth. She's completely engaged the entire time it's out. I highly recommend it but just know it's not a normal toy that you can just throw to your dog and walk away. It is an amazing toy to help you bond with your pet.
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Reviewed in the United States on May 6, 2026
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Russell Jones
Boise, US
★★★★★ 5
Great for dogs that need to stay busy
Style: Original
My dog absolutely loves this ball. It is a little noisy so we take it out in the yard and let her play with it there. I highly recommend it if you have a dog that get bored easily. This will surely keep them busy.
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Alyssa Fahey
Omaha, US
★★★★★ 5
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