ASPERA VM-81
Overview
A DMR Mobile/Fixed Radio that is available in VHF or UHFlicensed frequency bands. With 25W Transmit Power, a long distance is achieved without any degradation in voice and the user will always get clear and loud sound. Works with all DMR Radios and Repeaters.
Key Feature
» DMR Radio
» Available in VHF (136-174 MHz) and
UHF (400-480 MHz) Frequency Bands
» Digital & Analog Options
» TDMA Technology
» Remote Kill / Stun & Activate
» 1000 Channels, 250 Zones
» Programmable Keys
» Talk Around
» Time Out Timer
» Busy Channel Lockout
» AMBE+2 Vocoder
» Main Specifications:
• RF Power: 25W/45W (VHF) / 20W/40W (UHF)
• Digital Sensitivity: 0.3µV
• Frequency Stability: 1.0 PPM
• Audio Output: 5.0 Watt
• Audio Distortion: ≤3%
• Working Voltage: 13.8V DC
• Wide Working Temperature: -20°C to +60°C

Specification
TECHNICAL SPECIFICATION |
---|
Frequency Range | 136-174 MHz or 400-470 MHz |
Channel Capacity | 1000 |
Zones | 250 |
Channel Spacing | 12.5 / 25KHz |
Working Voltage | DC 13.8V(±20%) |
Frequency Stability | ±1.0 ppm |
Weight | <1.5 Kg (Radio only) |
Dimensions | 143(W) x 50(H) x 175(D) mm |
Receiver | |
Digital Sensitivity | 0.3µV/-117.4dBm(BERS%) 0.7µV/-110dBm(BER1%) |
Analog Sensitivity | 0.35µV/-116dBm(20dB SINAD) 0.22µV/-120dBm(Typical) |
Intermodulation | TIA603C: 65dB; ETSI: 65dB |
Adjacent Channel Selectivity | TIA603C: 60dB; ETSI: 60dB |
Spurious Suppression | TIA603C: 70dB |
FM Noise | <-40dBm@12.5KHz; >-45dBm@>25KHz |
Frequency Response | +1/-3 dB |
Audio Power | 5W |
Audio Distortion | <3% |
Transmitter | |
Power Output | VHF: L: 25W / H: 45W UHF: L: 20W / H: 40W |
4FSK Modulation | 12.5 KHz Data Only: 7K60FXD 12.5 KHz Data and Voice: 7K60FXE |
FM Modulation | 12.5KHz: 11K0F3E |
Modulation Limitation | ±2.5KHz @12.5KHz; ±5.0KHz@25KHz |
FM Noise | -40dB @12.5KHz; -45dB @25KHz |
Spurious Emission | <-36 dB≤1GHz; -30 dB>1GHz < 4GHz |
Adjacent Channel Power | -60 dB @12.5KHz; -65 dB @25KHz |
Frequency Response | +1dB ~ -3 dB |
Audio Distortion | ≤3% |
Vocoder | AMBER+2TM |
Environmental Specifications | |
Working Temperature | -30°C to +60°C |
Storage Temperature | -30°C to +85°C |

Accessories

DTMF Microphone

Hang Clip

Mobile Fixture

DC Power Cable

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