SKU: 37722472873

Happymodel ES900TX 868MHz ExpressLRS (ELRS) TX Module

$26.77 $29.74
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

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Description

Happymodel ES900TX 868MHz ExpressLRS (ELRS) TX ModuleThe ES24TX Slim Pro module is a complete solution which is already preloaded ExpressLRS firmware. With this module, you get a low latency and high packet rate RF module for RC Airplane and FPV Racing drone project. If you're unfamiliar with ExpressLRS, you'll love the superior range and unparalleled performance provided by the ESP 32 chipset and ESP8285 WiFi chip. Please note, ELRS is a new open source project so please only order this if you are

The ES24TX Slim Pro module is a complete solution which is already preloaded ExpressLRS firmware. With this module, you get a low latency and high packet rate RF module for RC Airplane and FPV Racing drone project. If you're unfamiliar with ExpressLRS, you'll love the superior range and unparalleled performance provided by the ESP-32 chipset and ESP8285 WiFi chip.

Please note, ELRS is a new open source project so please only order this if you are comfortable with regular firmware updates as the firmware is still in beta. We will only be able to offer limited support due to the open source and constantly changing nature of the firmware.

Specifications

  • Dimension: 55mm*39mm*11mm
  • Weight: 9.2gram (only the TX module)
  • Antenna connector: SMA
  • VCC input: 5~13v, Recommend 5v~9v
  • RF Frequency optional: 915mhz or 868mhz(EU)
  • Maximum Output Power: <33dBm(For >27dBm operation, we recommend add a fan for force cooling)
  • Wifi update firmware function for ES900TX would be available in a short time.
  • 868MHz EU version

Included

  • 1x ES900TX 868Mhz ELRS TX Module
  • 1x ES900TX Plastic Enclosure with fan and heatsync
  • 1x SMA Dipole Antenna with SMA-UFL Adapter
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: 37722472873

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Renee Lambing
Alexandria, US
★★★★★ 5
Holy dreams Batman!
Flavor Name: Peppermint
This product is so good I had to come back to review it! I originally got this for my daughter since she has terrible insomnia, but she hated the minty taste...so I started taking them along with my husband and wow is all I have to say! It makes me tired and I’ve been having the craziest dreams (I usually never dream or remember them)! Definitely recommend and I actually really like the flavor.
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Reviewed in the United States on December 9, 2020
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D0UG
Alexandria, US
★★★★★ 3
Not fast dissolve. After 20 minutes, it still sits beneath my tongue.
Flavor Name: Peppermint
This is definitely not fast dissolving tablets. My B12 and biotin sublingual tablets dissolve in a couple of minutes but these pills last over 20 minutes.
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Reviewed in the United States on March 8, 2022
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Dilianny Leyva Brito
Cuba, US
★★★★★ 5
Good supplement for uric acid support
My dad has been using this support supplement for uric acid for a while and I thought it was a good option. The ingredients feel of quality and are easy to take, as the capsules are of adequate size and do not cause stomach discomfort. I like that it is also focused on kidney support and that it does not have a strong taste or noticeable side effects in my case. It is a convenient alternative to complement a balanced diet and healthy habits. The value for money is good and the packaging performs a lot. In general, I am satisfied with the product and would buy it again.
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Reviewed in the United States on February 26, 2026
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khat
Los Angeles, US
★★★★★ 5
Great gout relief!
Great ingredients, great price and very effective product. I have gout and had frequent very painful gout attacks, at least several times a year for the past 5 years. By taking the Uric Acid Support Formula in the past year and a half, 2 tablets per day as instructed on the bottle, when I feel an attack coming on, I’ve been able to stop a full attack several times, and have had less than 4 full blown attacks since I began using it. In all fairness, I do also increase my water intake, and often add a celery seed tincture, and simply my diet. Still, adding this Uric Acid formula in conjunction with the other regimes I mentioned has greatly decreased both the amount and severity of gout attacks.
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Reviewed in the United States on October 30, 2019
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william peach
Houston, US
★★★★★ 5
Good product
First time I took it my gout acted up but since then I haven’t had any issues with gout at all
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Reviewed in the United States on May 31, 2026

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