LiSheng D550
The LiSheng D550 is a DMR portable radio for industrial and commercial teams. Digital and analogue modes support a smooth transition from existing radio systems, while USB Type-C charging, clear audio, emergency alert and lone worker functions help teams stay connected throughout the working day.
Functions
Built into the radio.
- 01Digital and analogue dual modes
- 02USB Type-C charging
- 03Individual call, group call and all call
- 04AES-256 encryption
- 05Emergency alert and lone worker functions
- 06VOX hands-free operation
- 07Voice announcement
- 08Programmable side keys
- 09Busy channel lock-out
- 10Auto power off (APO)
- 11Contacts list and quick SMS
- 12Remote monitoring, disable, activate and detect
Communication across the workplace.
Coordinate crews and daily tasks on construction sites.
Keep security and hotel teams in contact with individual and group calls.
Connect warehouse and logistics teams across busy operations.
Support day-to-day communication in factories and manufacturing facilities.
See it in detail.
Technical data
Specifications
General
- Operating modes
- DMR digital / analogue
- UHF frequency range (brochure)
- 400–470MHz
- Channel spacing (brochure)
- 12.5kHz / 25kHz
- Channel capacity
- 48
- Zone capacity
- 3
- Operating voltage
- 7.4V
- Battery capacity
- 1200mAh
- Battery life (5/5/90 duty cycle)
- Analogue: 8.5 hours; DMR: 12 hours
- Vocoder
- AMBE+2
- Frequency stability
- ±1.0ppm
- Antenna impedance
- 50Ω
- Dimensions (without antenna)
- 113 × 58 × 35mm
- Weight
- 198g
Transmitter
- RF output power
- 1W (low) / ≤5W (high)
- Frequency error
- ±1.0ppm
- FSK error
- <5%
- Occupied bandwidth (DMR)
- ≤8.5kHz
- TX attack / release time
- ≤1.5ms
- Adjacent channel power
- ≤-50dB @ 12.5kHz; ≤-60dB @ 25kHz
- Audio response
- +1 to -3dB
- FM hum and noise
- 40dB @ 12.5kHz; 45dB @ 25kHz
Receiver
- Analogue sensitivity
- 0.2μV (FM @ 12dB SINAD)
- Digital sensitivity
- 0.22μV (typical, @ 5% BER)
- Adjacent channel selectivity
- 60dB @ 12.5kHz; 65dB @ 25kHz
- Intermodulation rejection
- 60dB @ 12.5kHz / 25kHz
- Blocking
- 84dB @ 12.5kHz / 25kHz
- Rated audio output
- 1.0W / 16Ω
Malaysian type approval
- Certificate number
- 247209
- Type approval code
- RGRC/92B/1026/S(26-5399)
- Certified frequency / channel spacing
- 400–450MHz / 12.5kHz
- Approval date
- 12 October 2026
- Expiry date
- 11 October 2031
SIRIM approved.
Certification for the Malaysian market.
