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Microhard Telemetry Radio

Communication & Data Links
by Holybro

Description

Holybro Microhard Telemetry Radio integrates Microhard Pico Series RF modules for high-performance wireless serial communications in robust topologies including Point-to-Point, Point-to-Multipoint and secure Mesh (P900 only). It uses frequency hopping spread spectrum (FHSS) technology for reliable wireless asynchronous data transfer between equipment with serial interfaces. The radio operates in license-exempt ISM bands with transparent, low-latency link rates up to 345 kbps, supporting telemetry and command & control applications for drones, robotics, and unmanned systems.

About the Company

Holybro

Holybro is a manufacturer of drone components and systems, specializing in flight controllers, GPS modules, FPV products, and drone development kits for unmanned aerial vehicles.

Core Information

Serving industries
Air Ground Maritime Surface
Product status
In Production
Name
Microhard Telemetry Radio
Model number / Variant
17019/17020/17024/17025/17026/17027

Product Classification

Link roles
Command & Control (C2) Telemetry
System type
RF Radio Transceiver Modem
Supported platform classes
sUAS UGV Ground Control Station
Operating environment
Airborne Ground Maritime Surface
Link topology
Point-to-Point Point-to-Multipoint Mesh
LOS/BLOS capability
LOS NLOS
Duplexing modes
Half-Duplex

Frequency & Spectrum

Frequency bands
900 MHz ISM 868 MHz
Regional spectrum compliance
FCC (US) CE/ETSI (EU)
Maximum TX power (dBm)
30
Frequency agility/hopping
Spectrum licensing
Unlicensed/ISM

Data & Performance

Modulation/Coding
QPSK
QoS features
Forward Error Correction
Range conditions
Line-of-sight conditions with 5dBi antenna

Interfaces & Protocols

Physical interfaces
Ethernet (RJ45) USB-C Serial UART
Network protocols
IPv4 UDP TCP
Control/Telemetry protocols
MAVLink Proprietary
Antenna connectors
SMA
Number of antenna ports
1

Security

Encryption standards
Proprietary
Anti‑jam/Resilience features
FHSS
Authentication methods
Pre-Shared Key (PSK)
Key management
Pre-Shared

Power & Physical

Power options
DC
Mounting options
Airframe/Internal Rail/Bracket
Included antenna types
Omnidirectional
Input voltage range (V)
7-35V DC
Power consumption (W)
1
Weight (g)
44

Software & Management

Configuration methods
Web UI CLI/Serial Desktop App
Telemetry/Integration
MAVLink
Network management features
Health Monitoring/Alarms

Compatibility & Integration

Autopilot compatibility
ArduPilot PX4
GCS compatibility
QGroundControl Mission Planner
Interoperability standards
Proprietary
Integration notes
Direct connection to TELEM port on various flight controllers using 6-position JST-GH connector. Includes integrated USB to UART converter for configuration.

Certifications & Compliance

Certifications/Marks
FCC CE RoHS
Spectrum approval regions
US EU