What is the input voltage requirement?

The module operates on an input voltage range of 5-12V, compatible with 2S LiPo batteries.

How do I bind the transmitter to a receiver?

Use the LUA script to select the 'Bind' option; both transmitter and receiver must be running firmware version V3.0.0 to V3.5.0.

What is the main control IC used?

It uses an ESP32 microcontroller paired with an SX1276 or SX1278 RF chip and an ESP8285 backpack chip.

Elrs 433MHz Tx Module Transmitter Kit Expresslrs Crossfire High-Frequency for Fpv Quadcopter Drone Multicopter Long Range DIY

Name: Elrs 433MHz Tx Module Transmitter Kit Expresslrs Crossfire High-Frequency for Fpv Quadcopter Drone Multicopter Long Range DIY
Brand: Shenzhen Xingkai Technology Co., Ltd
SKU: 2215045455

Guangdong, ChinaShenzhen Xingkai Technology Co., Ltd

US$45.83

1 Piece

Sample price:US$45.83/piece.Request sample

Product profile

Customization

Available

Transport Package

Carton

Specification

6*5*5

Model NO.

ELRS Transmitter Module

Trademark

Xingkaitech

Origin

China

Production Capacity

50000piece/Year

Key features

Wide Frequency Range: Supports 360MHz to 2.4GHz including 433MHz, 915MHz, and 2.4GHz bands.

Configurable Output Power: Adjustable from 100mW to 2000mW via LUA script for flexible range control.

High Refresh Rate: Offers selectable refresh rates of 25Hz, 50Hz, 100Hz, and 200Hz for low latency.

ESP32 Core Processor: Powered by ESP32 and SX1276/SX1278 chips with ESP8285 backpack for stability.

LUA Script Control: Full parameter configuration including power, rate, and ratio via OpenTX LUA scripts.

CRSF Protocol Support: Natively supports Crossfire Serial Data Protocol for seamless integration.

WiFi Firmware Update: Enables wireless firmware updates for easy maintenance and feature upgrades.

Universal Compatibility: Compatible with all JR interface remote controls like OpenTX, Frsky, and RadioMaster.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Exhibition Experience

Shenzhen Xingkai Technology Co., Ltd

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2016-05-20Nearest Port: Shenzhen, HKAverage Response Time: ≤4.73hTerms of Payment: T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryThe supplier, based in Shenzhen's Baoan District, focuses on manufacturing with a strong R&D capability, including ODM and OEM services. Despite the lack of valid manufacturing contracts and overseas facilities, it participates in trade shows and offers robust customization services. Quality control is assured, but after-sales service documentation is lacking. Financial details are available for recent years, but certification details are missing.

Supplier typeThe supplier is categorized as a 'combined' type, located in Shenzhen, operating primarily as a factory in the manufacturing industry.

After-Sales capabilityThe supplier has procedures for corrective actions and handling customer complaints but lacks written records, indicating a potential gap in after-sales documentation.

R&D capabilityThe supplier demonstrates strong R&D capabilities, including the provision of 3D design services and development of new products, reinforced by SDK availability.

Production capacityThe supplier lacks valid contracts for manufacturing capacity and does not manage overseas warehouses, suggesting limitations in production scalability.

Customization capabilityThe supplier offers extensive customization services, including full and flexible customization options, indicating strong adaptability to client needs.

Product Q&A

Q:What frequency bands does this module support?

It supports a wide range including 360, 400, 433, 500, 530, 560, 720, 750, 868, 915, 950, 990 MHz and 2.4 GHz.

Q:How is the output power configured?

Output power is configurable via LUA script, allowing selection between 100mW, 250mW, 500mW, 1000mW, and 2000mW.

Q:What refresh rates are available?

The module offers selectable refresh rates of 25Hz, 50Hz, 100Hz, and 200Hz to balance latency and bandwidth.

Q:Which remote control systems are compatible?

It is compatible with all remote controls using the JR interface, such as OpenTX, Frsky Taranis, and RadioMaster.

Q:How do I update the firmware?

The module supports WiFi updates, allowing you to upgrade the firmware wirelessly without physical connections.

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Elrs 433MHz Tx Module Transmitter Kit Expresslrs Crossfire High-Frequency for Fpv Quadcopter Drone Multicopter Long Range DIY