Ψηφιακός πομποδέκτης οχήματος Hytera UHF MD-615 DMR 25W Mobile Business series

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MD615 specifications

General

Receiver

Sensitivity
FM	0.22 uV typ (12dB SINAD) 0.3 uV max (12dB SINAD) 0.4 uV (20dB SINAD)
DMR	0.3 uV (5% BER)
Selectivity
FM / DMR	60dB (on 12.5KHz adjacent channel) 70dB (on 25KHz adjacent channel)
Intermodulation
65dB (ETSI) 70dB (TIA-603)
Blocking
84dB (ETSI) 90dB (TIA-603)
Spurious rejection
70dB
Frequency stability
± 0.5 ppm from -30°C to +60°C
Audio response
± 2dB
Audio signal to noise ratio
FM	40dB (CH 12.5KHz) 45dB (CH 25KHz)

Transmitter

Output power
VHF	1-25W 5-50W [1]
UHF	1-25W 5-45W [1]
Spurious emission
Out-of-band	-36dBm max (< 1GHz) -30dBm max (> 1GHz)
Adjacent channels	-60dB @ 12.5KHz -70dB @ 25KHz
Maximum deviation (FM)
± 5.0 KHz (CH 25KHz) ± 2.5 KHz (CH 12.5KHz)
Digital modulation
4FSK (data only: 7K60FXD) 4FSK (data & voice: 7K60FXW)
Vocoder
AMBE++ (or SELP)
Audio response
± 2dB
Audio distortion
3% max
Audio signal to noise ratio
40dB (FM, CH 12.5KHz) 45dB (FM, CH 25KHz)

Features

Memory
48 regular memories (16 x 3 banks)
Selective calling
DTMF / HDC1200 [2]
Antenna
BNC 50Ω
Power supply
13.6V nominal (±15%)
Power consumption
0.3A standby, typ 1A RX, max 3A TX, max (1W power) 5A TX, max (5W power) 8A TX, max (25W power) 12A TX, max (45W power)
Audio power
4W on 16Ω internal speaker 8W on 8Ω external speaker
Connections
DB26-pin (accessories) Jack (GPS input)

Mechanical and environmental data