HR-31S Single channel True Diversity Wireless System

Key Features:
Product characteristics:
• Press the "AFS"(Auto Frequency Selection) button 3S and the receiver will auto-scan and lock on to an open, interference-free frequency.
Super Wide Frequency Range
• 32MHz bandwidth. 1280 selectable UHF frequencies and True Diversity reception for interference-resistant operation.

IR Infrared
• Press [IR] button to upload automatically the receiver frequency to the transmitter.

•  PLL (Phase Lock Loop frequency control) design ensures transmission reliability, "Noise Lock" squelch effectively blocks stray RF.

Intelligent Management 
• On-board Ethernet interface for monitoring and controlling system parameters with *“RWW” WIRELESS MANAGEMENT SYSTEM.

Energy Conservation
•  Precision low-power circuit design, battery life is twice as common.


HR-31S single Channel Wireless Receiver
•  EIA-standard metal 1/2 - rack receiver chassis, offering programmable features, with high-visibility LCD display.
• The receiver's bright LCD display the operating channel or frequency, RF and AF signal strength, transmitter battery capacity, and the ability to edit the performer's name for easy tuner control.
• Electronic Volume Control 
• Antenna output with 8VDC

Main Frame Size ½ EIA standard 1U
Receiving Channel Single Channel
Receiving Mode True Diversity
Frequency Reliability ±0.005%(-10~50℃)
Bandwidth  32MHz
Audio output jack: XLR balanced socket and Φ6.3mm unbalanced socket
Antenna socket type BNC
Control cable 4P telephone line connect to the U485, U485 USB connect to computer.
Operationg Distance 80M typical(in open space)
Oscillation PLL synthesized
Sensitivity 5dBμV,S/N>60dB at 25KHz deviation
Max. Deviation ±45KHz
Power Supply DC-12V / 1A
Dimension(mm) 206(w)×206(D)×43(H)
Weight Approximately 1.0kg


H-31 Wireless Handheld Microphone 
• The transmitters offer durable, magnesium bodies, soft-touch controls. Effectively protects inside PCB board components and battery holders with an ergonomic grip.
• With lock function, avoid the mistakes of the performers, to ensure reliable performance.

Carrier Frequency Range 522MHz~936MHz
Oscillation PLL synthesized
Harmonic Radiation <20dBm
Max. Deviation ±45KHz
Microphone Element Dynamic/Condenser(removable)
RF Output Power 10mW/40mW
Battery AA×2
Current Consumption 100mA(Typical)
Battery Approximately 10 hours(alkaline)
Dimension(mm) 53(Φ) ×265(L)
Weight Approximately 312g(w/o battery)

T-31 Wireless Bodypack Transmitter
The bodypack transmitter is one of the smallest mini bodypack in the world. It is made of all alloys and is light and durable.

Carrier Frequency Range 522MHz~936MHz
Oscillation PLL synthesized
Harmonic Radiation <50dBm
Max. Deviation ±45KHz
Input Connector 4-pin mini XLR connector
RF Output Power 10mW/40mW
Battery AA×1
Current Consumption 205mA(Typical)
Battery Approximately 5 hours(alkaline)
Dimension(mm) 66(H)×63(W)×20(D)
Weight Approximately 85g(w/o battery)

 * RWW PC Control Software





·RWW is an advanced and powerful digital software. The PC controlling using a Relacart U485 connector, to link to HR systems for real time monitored. The controlling software can scans for signal frequencies that could interfere with microphone transmissions and automatically determine the correct frequency for setup, minimizing error and increasing mic-to-mic sound continuity.


·Remotely control up to 64 wireless receivers simultaneously from up to 300 meters away.

·The software can monitor transmitter battery status, AF/RF & Antenna A/B strength.

·It has a built-in high performance spectrum analyzer allows direct setup of non-interference frequencies and monitors the wireless environment for all operating channels and interference signals, multi-function and status display are also included for your convenience.

·Scan to identify and memorize “dead spots” in the performing area, multi-function and status display are also included for your convenience










Communication with Relacart Wireless Audio Engineer

We look forward to your feedback in E-mail:

Answer Product Questions/Technical Consulting/Industry Exchange

Solemn Affirming: is the Guangzhou Relacart Electronics Co., Ltd.'s only English Official Website!
[Chinese Official Website]