Hytera MD78X - Menu Navigation: Message Functions; Sending and Managing Text Messages

Specifications and Blind Spot
UHF1 (400
–
470 MHz)
10
Hum and Noise
 40 dB@12.5 kHz
 43 dB@20 kHz
 45 dB@25 kHz
Rated Audio Power
 Internal (20 Ω load): 3 W
 External (8 Ω load): 7.5 W
Max. Audio Power
 Internal (20 Ω load): 8 W
 External (8 Ω load): 20 W
Rated Audio Distortion ≤ 3%
Audio Response +1 dB to -3 dB
Conducted Spurious
Emission
< -57 dBm
Environment
Operating Temperature -30℃ to +60℃
Storage Temperature -40℃ to +85℃
ESD
IEC 61000-4-2 (level4)
±8 kV (contact)
±15 kV (air)
American Military Standard MIL-STD-810 C/D/E/F/G
Dust & Water Protection IP54
Humidity Per MIL-STD-810 C/D/E/F/G Standards
Shock and Vibration Per MIL-STD-810 C/D/E/F/G Standards
GPS (for MD780XG only)
Accuracy specs are for long-term tracking (95th percentile values>5 satellites visible at a nominal
-130dBm signal strength).
TTFF (Time To First Fix)
< 60s