HQT Analog Series QM446
QM446
QM446
QM446
QM446

HQT LICENCE-FREE ANALOG SERIES QM446

Overview

HQT QM446 is a licence-free radio compliant with PMR 446 standards, which brings convenience and management efficiency to our customers. It shows incredible long working period with 2000mAh Li-ion battery. A powerful MCU also ensures its diversified functions. Fashionable design with compact size and light weight makes it an ideal model for customers in hospitality, retailing and manufacturing. Outstanding performance of QM446 will definitely bring you more than what you expected.   
  • VOX;
  • Monitor;
  • Wired Clone;
  • CTCSS/CDCSS;
  • Battery Power Indication;
  • Busy Channel Lockout (BCL).
TI OMAP SERIES is recommended for customized needs and requirements.

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Main Functions

VOX
The VOX function enables users to keep communicating with group members while users' hands are occupied.
Busy Channel Lockout (BCL)
BCL is used to protect the on-going conversation from unwanted interference.
CTCSS/CDCSS
CTCSS/CDCSS encode and decode are useful to avoid unwanted conversation on the same channel.
Wired Clone
To quickly set the parameters on a radio, users can clone the radio data from another radio with the supplied data cable, which can save the time of parameters setting.
Battery Power Indication
The radio will report current battery power when the corresponding function key is pressed. It also reminds users to replace or charge the battery if the battery power is low.
Monitor
This feature enables user to hear weak signals. User can adjust volume by pressing MONI key when no signals are received.

Specifications

General
Frequency Range 446.00625 ~ 446.09375MHz
Channel Capacity 16
Channel Spacing 12.5kHz
Frequency Stability ±1.5ppm
Operating Temperature -25℃ ~ +55℃
Antenna Impedance 50Ω
Operating Voltage 3.8V
Dimensions (H×W×D) 107×51.5×28mm
Weight (With Antenna & Battery) 160g
Battery 2000mAh (Li-ion Battery)
Receiver
Sensitivity 0.15μV
Adjacent Channel Selectivity ≥65dB
Intermodulation Rejection 55dB
Spurious Response Rejection ≥60dB
S/N ≥45dB
Rated Audio Power Output ≥600mW
Rated Audio Distortion ≤5%
Transmitter
RF Power 0.5W
Modulation Type 8KΦF3E
Modulation Limiting ≤5kHz
FM Distortion ≤5%
Residual FM -45dB
Adjacent Channel Power -70dB
Spurious and Harmonics ≤-36dBm

Accessory List

Standard Accessories
Antenna Li-ion Battery
Charge Adapter Intelligent Charger
Belt Clip Hand Strap
Optional Accessories
Earpiece Mic Remote Speaker Microphone
Programming Cable
 
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