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Features

Upgradeable software

Upgradeable software enables the possibility of new features. By altering the firmware-software, other digital and analog operating modes can be enabled, without the need for purchasing a new radio device.

 

Versatile voice communication

Thanks to digital signal transmission, the MD785G allows you to carry out different types of voice communication, including individual calls, group calls and simultaneous communication with all subscribers.

 

Data services

The MD785G offers you data services, such as sending text and group messages.

 

GPS (MD785G)

The MD785G supports GPS location determination and allows GPS location data to be sent as a text message. In addition, the distance and position of other GPS-enabled radios in the DMR radio system can be detected.

 

Roaming

The MD785G allows automatic cell re-selection (roaming) at all sites in multi-site systems.

 

Supplementary services

With the MD785G, you can utilize various services, such as radio check, remote monitor and call alert.

Specifications

 

Receiver

Sensitivity (analog)	0.3 µV (12 dB SINAD) 0.22 µV (typical) (12 dB SINAD) 0.4 µV (20 dB SINAD)
Sensitivity (digital)	0.3 µV / BER 5%
Adjacent channel selectivity	TIA-603: 65 dB at 12.5 kHz / 75dB at 20 and 25 kHz ETSI: 60 dB at 12.5 kHz / 70 dB at 20 and 25 kHz
Spurious response rejection	TIA-603: 75 dB at 12.5/20/25 kHz ETSI: 75 dB at 12.5/20/25 kHz
Signal-to-noise ratio (S/N)	40 dB at 12.5 kHz 43 dB at 20 kHz 45 dB at 25 kHz
Nominal audio power output	Internal 3 W at 20 O, external 7.5 W at 8 O
Audio distortion	= 3 %
Audio sensitivity	+1 to -3 dB
Conducted spurious emission	-57 dBm

Environmental conditions

Operating temperature range	-30 °C to +60 °C
Storage temperature range	-40 °C to +85 °C
Protection against dust and moisture	IP54
Shock and vibration resistance	MIL-STD-810 C/D/E/F/G
Relative humidity	MIL-STD-810 C/D/E/F/G

GPS (only MD785G)

Time to first fix (TTFF) cold start	< 1 minute
Time to first fix (TTFF) warm start	< 10 seconds
Horizontal accuracy	< 10 m