Parts/Radio & control/Telemetry sensors/RadioMaster ERS-BA01 Baro Telemetry Sensor
RadioMaster ERS-BA01 Baro Telemetry Sensor
RadioMaster

RadioMaster ERS-BA01 Baro Telemetry Sensor

Part # RM-BR0157.ERS-BA01
Where to buy
$19.99
AMain Hobbies
Seen Oct 12, 2026
$19.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Sensor Overview

The RadioMaster ERS-BA01 Baro Telemetry Sensor is a compact and precise solution for pilots who want accurate altitude data delivered in real time. Designed for seamless integration with ExpressLRS systems, this sensor converts barometric pressure into reliable altitude readings for improved situational awareness.


About the ERS-BA01 Baro Telemetry Sensor


Accurate Altitude Monitoring With Expandable Telemetry

The ERS-BA01 delivers real-time altitude telemetry by precisely measuring barometric pressure and transmitting the data back to your EdgeTX-compatible radio. With fast and dependable CRSF communication, you’ll receive responsive feedback during flight for better control and decision-making. The built-in pass-through ports allow for easy daisy-chaining of additional ERS sensors, making it simple to expand your telemetry system without complex rewiring. Designed specifically for ExpressLRS compatibility, it integrates cleanly into modern RC setups for a streamlined experience.

Features:

  • Real-time barometric altitude telemetry
  • Accurate pressure-to-altitude conversion
  • ExpressLRS CRSF compatibility
  • Pass-through expansion ports
  • Daisy-chain support for multiple sensors
  • Lightweight and compact design
  • Fast and reliable data transmission

Includes:

  • (1) ERS-BA01 Baro Telemetry Sensor

Specifications:

Voltage Range 5-8.4V DC
Dimensions (LxWxH) 0.93x0.52x0.28in (23.5x13x7mm)
Weight 0.12oz (3.5g)
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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