Hytera MD78X Service Manual

UHF2 (450
–
520 MHz)
Specifications and Blind Spot
9
Modulation Limit
 ±2.5 kHz@12.5 kHz
 ±4.0 kHz@20 kHz
 ±5.0 kHz@25 kHz
FM Hum and Noise
 40dB@12.5kHz
 43 dB@20 kHz
 45 dB@25 kHz
Adjacent Channel Power
 60 dB@12.5 kHz
 70 dB@20/25 kHz
Audio Response
+1 dB to -3 dB
Audio Distortion
≤3%
Digital Vocoder Type
AMBE++ or SELP
Digital Protocol
ETSI-TS102 361-1, -2, -3
Receiver
Sensitivity
Analog:
 0.3 μV (12 dB SINAD)
 0.22 μV (Typical) (12 dB SINAD)
 0.4 μV (20 dB SINAD)
Digital:
 0.3 μV /BER5%
Adjacent Channel Selectivity
 TIA-603: 65 dB@12.5 kHz/75 dB@20/25 kHz
 ETSI: 60 dB@12.5 kHz/75 dB@20/25 kHz
Intermodulation
 TIA-603: 75 dB@12.5/20/25 kHz
 ETSI: 70 dB@12.5/20/25 kHz
Spurious Response Rejection
 TIA-603: 75 dB@12.5/20/25 kHz
 ETSI: 70 dB@12.5/20/25 kHz
Blocking
 TIA-603: 90 dB
 ETSI: 84 dB
Hum and Noise  40 dB@12.5 kHz

Hytera MD78X Specifications

General

Brand	Hytera
Model	MD78X
Category	Radio
Language	English