HPXGRC 2.4GHz ExpressLRS Micro Receiver

Short Description:

HPXGRC 2.4GHz ExpressLRS Micro Receiver features an ESP8285/SX1280 design, CRSF serial connection, an external T-antenna and a compact 20 11 mm board.

Product Name: HPXGRC 2.4GHz ExpressLRS Micro Receiver
Product Type: FPV Radio Control Receiver
Frequency Range: 2.4 GHz ISM band
RF Chipset: SX1280
MCU: ESP8285
Input Voltage: 5 V DC
Control Protocol: ExpressLRS; CRSF serial connection
Board Dimensions: 20 × 11 mm
Antenna Connector: IPEX1
Antenna Type: External T-shaped dipole antenna

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Product Detail

FAQ

Technical Highlights

2.4GHz ExpressLRS Control Receiver

This module receives ExpressLRS radio-control signals in the 2.4GHz band and connects to a flight controller through a serial interface. It is a control-link receiver, not an FPV video transmitter.

ESP8285 and SX1280 Design

The supplied board images identify an ESP8285 MCU and SX1280 RF chipset, with a PA and LNA stage shown on the component diagram.

Compact Board with External Antenna

The receiver board measures 20 × 11 mm. An IPEX1 connector accepts the external T-shaped dipole antenna shown in the supplied product images.

Four-Pad Flight Controller Connection

The board has G, V, R and T connection pads for ground, 5V power and UART communication. For a CRSF installation, connect the receiver's T pad to the flight controller's UART RX and its R pad to UART TX.

Technical Specifications

Product	HPXGRC 2.4GHz ExpressLRS Micro Receiver
Device Type	Radio-control receiver; not a video transmitter
Operating Band	2.4GHz ISM band
RF Chipset	SX1280
MCU	ESP8285
Input Voltage	5 V DC
Serial Connection	CRSF over UART
Connection Pads	G, V, R and T
Antenna Connector	IPEX1
Antenna	External T-shaped dipole antenna
Board Dimensions	20 × 11 mm

Installation Notes

Supply 5V DC to the V pad and connect G to ground. Check pad markings and polarity before applying power.
For a CRSF UART connection, wire receiver T to flight-controller RX and receiver R to flight-controller TX.
Attach the T-shaped antenna securely to the IPEX1 connector and position it clear of conductive frame parts where practical.
Verify the receiver's actual hardware revision and installed ExpressLRS firmware before selecting a firmware target or pairing it with a transmitter.

FAQ

Is this product a video transmitter?

No. It is a 2.4GHz ExpressLRS radio-control receiver. It does not transmit FPV camera video.

What are the receiver's main chips?

The supplied board diagrams identify an ESP8285 MCU and an SX1280 RF chipset.

How does it connect to a flight controller?

The receiver uses G and V for ground and 5V power, plus R and T for UART communication. In a CRSF connection, receiver T connects to flight-controller RX, and receiver R connects to flight-controller TX.

What antenna connection does it use?

The receiver has an IPEX1 connector for an external T-shaped dipole antenna.

B2B Procurement FAQ

Is the supplied board confirmed to be V2?

The archive name says “V2 Version,” but the supplied board image is marked “V1.1.” Confirm the hardware revision and current production photos during quotation.

What should be confirmed before a bulk order?

Confirm the PCB revision, installed firmware and firmware target, antenna connector, accessory contents and required serial output configuration against the offered batch.

What are the MOQ, lead time and warranty terms?

These terms are not established by the supplied materials and must be confirmed during quotation.