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Microhard Telemetry Radio V2

Communication & Data Links
by Holybro

Description

The Holybro Microhard Telemetry Radio V2 integrates Microhard Pico Series RF modules to deliver high-performance wireless serial communications in robust topologies including Point-to-Point, Point-to-Multipoint, and secure Mesh networking (P900 only). It uses frequency hopping spread spectrum (FHSS) technology for reliable wireless asynchronous data transfer between equipment with serial interfaces. Designed for UAV and robotics applications, it supports transparent, low-latency communication with configurable transmission modes and advanced error correction.

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 Other
Name
Microhard Telemetry Radio V2
Model number / Variant
P900/P400
Product status
In Production

Product Classification

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

Frequency & Spectrum

Frequency bands
900 MHz ISM 433 MHz
Regional spectrum compliance
FCC (US) CE/ETSI (EU)
Spectrum licensing
Unlicensed/ISM
Frequency agility/hopping
Maximum TX power (dBm)
30

Data & Performance

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

Interfaces & Protocols

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

Security

Anti‑jam/Resilience features
FHSS LPI/LPD
Key management
Pre-Shared
Encryption standards
AES-256
Authentication methods
Pre-Shared Key (PSK)

Power & Physical

Power options
DC PoE/PoE+
Mounting options
Airframe/Internal Rail/Bracket
Included antenna types
Omnidirectional
Weight (g)
76
Power consumption (W)
49
Input voltage range (V)
7-35V

Software & Management

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

Compatibility & Integration

Autopilot compatibility
ArduPilot PX4
GCS compatibility
QGroundControl Mission Planner
Integration notes
Direct connection to flight controller TELEM ports via 6-pin JST-GH connector, integrated USB to UART converter, dedicated configuration switch for easy mode changes

Certifications & Compliance

Certifications/Marks
FCC CE RoHS
Spectrum approval regions
US EU