What is the maximum update rate? 50Hz? 400Hz?

I update mine at 250Hz, 4msec. Haven't tried going faster so don't know if 400Hz is possible

Is the BEC linear or switching in these?

The BEC is a constant 5 V output You're running extra equipment on your airplane you might want to use an additional capacitor pack on your Receiver

How do I program the brake?

You set the break with the transmitter with the throttle stick and the paperwork for the ESC that it comes with will explain how to do so

30a Esc | Desertcart Grenada

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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EC$225

Duties & taxes included

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Sold byAmazon GrenadaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your drone game with plug-and-play power and pro-grade reliability!

NOISE FREE FLIGHT - Military-grade capacitors minimize RF interference for smooth, reliable control.
PLUG PLAY POWER - Pre-flashed SimonK firmware means zero setup fuss—just install and fly.
SMART SAFETY PROTOCOLS - Built-in low voltage cutoff, overheat, and signal loss protections keep your drone safe.
ROBUST CURRENT HANDLING - 30A continuous (40A optional) supports high-performance multicopters with ease.
UNIVERSAL COMPATIBILITY - Works seamlessly with 2-4S LiPo batteries and popular DIY multicopter platforms.

The QWinOut 2-4S 30A Brushless ESC is a compact, lightweight speed controller preloaded with SimonK firmware, designed for 2-4S LiPo batteries. Featuring 30A continuous current capacity, military-grade capacitors for RF noise reduction, and 3.5mm female banana connectors for hassle-free installation, it offers advanced safety features like low voltage cutoff and overheat protection. Ideal for DIY multicopters, quadcopters, and hexacopters, it ensures smooth, reliable motor control with minimal setup.

Specifications

ASIN	B07SFLJJQ5
Age Range Description	Adult
Best Sellers Rank	#171,707 in Toys & Games ( See Top 100 in Toys & Games ) #111 in Radio Control Vehicle Speed Controls
Brand Name	QWinOut
Color	30a, 4 Pcs
Customer Reviews	4.0 out of 5 stars 124 Reviews
Educational Objective	Game, play
Indoor Outdoor Usage	Outdoor
Manufacturer	QWinOut
Manufacturer Part Number	M18203-4
Manufacturer recommended age	0 - 2 years
Material Type	Plastic
Number of Packs	4
Number of Players	4
Operation Mode	Automatic
Power Source	Battery Powered
Set Name	4
Size	Small
Unit Count	4 Count

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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