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