Holybro MicroHard P400 Telemetry Radio - Long Range UAV Communication

Introduction

The Holybro MicroHard P400 Telemetry Radio is a cutting-edge solution for long-range, high-performance wireless serial communication. Designed for demanding FPV and UAV applications, it leverages the robust Microhard Pico series RF module to establish reliable data links. Whether you need point-to-point or point-to-multipoint connectivity, this telemetry radio ensures your drone stays connected, even over vast distances. It's the perfect choice for serious drone pilots and integrators looking for dependable communication.

Key advantages

• High-performance wireless serial communication with Microhard Pico RF module.
• Supports robust topologies: Point-to-Point, Point-to-Multipoint, and Mesh networking (P900 model specific for Mesh).
• Extended range of up to 100 km (60 miles) at 19.2 kbps.
• Low-latency transparent links up to 345 kb/s.
• Wide input voltage range (DC7-35V) with an integrated high-voltage BEC.
• Easy integration with flight controllers via a 6-position JST-GH connector.
• Advanced error detection and correction (32-bit CRC, ARQ) for reliable data transfer.
• Multiple transmission methods including Frequency Hopping, GMSK, 2GFSK, 4GFSK, and QPSK.

Technical specifications

• Frequency Range: 410 to 480 MHz
• Transmitting Power (Software Adjustable): 100mW to 1W (20-30dBm)
• Link Rate: Up to 345 kb/s
• Serial Transmit Rate: 300 bps to 230 kbps
• Range: Up to 100 km (60 miles) at 19.2 kbps
• Spread Method: Frequency Hopping, GMSK, 2GFSK, 4GFSK, QPSK
• Operating Modes: Point-to-Point, Point-to-Multipoint, Store & Forward Repeater, Peer-to-Peer
• Input Voltage: DC7~35V (4-position JST-GH)
• Power Consumption: Sleep < 1mA / Idle 20mA / Rx: 45mA to 98mA / Tx Peak: 2A
• Error Detection: 32 bits CRC, ARQ
• Weight: 44 g (without antenna), 67 g (with antenna)

Applications

This telemetry radio is extensively used in various drone applications, including long-range FPV flying, professional UAV operations, aerial surveying, agricultural monitoring, search and rescue missions, and advanced drone racing setups where reliable, extended communication is critical.

Compatibility

Features a USB Type-C port with an integrated USB to UART converter for easy configuration and diagnostics. The 6-position JST-GH connector allows direct connection to the TELEM port on most flight controllers. Supports a wide input voltage range from DC7-35V, making it compatible with various power systems.

FAQ

What is the maximum communication range of the Holybro MicroHard P400 Telemetry Radio?

The Holybro MicroHard P400 Telemetry Radio can achieve an impressive range of up to 100 km (60 miles) when operating at a link rate of 19.2 kbps. This makes it suitable for very long-range FPV and UAV operations.

What flight controllers are compatible with the Holybro MicroHard P400?

The Holybro MicroHard P400 features a 6-position JST-GH connector that can be directly plugged into the TELEM port of various flight controllers. Its wide input voltage range (DC7-35V) also ensures compatibility with diverse power setups.

What are the key advantages of using the P400 over other telemetry radios?

The P400 offers exceptional long-range capabilities up to 100km, low-latency transparent links, and robust error correction (32-bit CRC, ARQ). Its integrated USB-UART converter and wide voltage input simplify integration and diagnostics.

Can I buy the Holybro MicroHard P400 Telemetry Radio with fast delivery to Ukraine?

Yes, HTDRONE offers shipping to Ukraine via Nova Poshta for the Holybro MicroHard P400 Telemetry Radio. Enjoy fast and reliable delivery of your FPV and UAV parts.

What transmission power options are available for the Holybro P400?

The transmitting power of the Holybro MicroHard P400 is software-adjustable, allowing you to select between 100mW and 1W (20-30dBm). This flexibility helps optimize performance based on your specific flight conditions and regulations.