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Hytera RD985

Product description The digital repeater RD985 is the heart for multi-cell conventional DMR radio networks and was developed according to the ETSI standard for DMR. It offers an ergonomic design, reliability and outstanding digital functions for sophisticated communication. RD985 – Your digital...

Products Details

Product description

The digital repeater RD985 is the heart for multi-cell conventional DMR radio networks and was developed according to the ETSI standard for DMR. It offers an ergonomic design, reliability and outstanding digital functions for sophisticated communication. RD985 – Your digital advantage over your competitors!

 

Features

Improved utilization of the frequency spectrum

Thanks to the TDMA technology, twice as many users can use the same channel, such as is the case with analog or digital FDMA systems. Due to the restricted frequency resources, this represents an important relief and reduces the expenses for system terminals and licenses.

Secure communication

To protect your radio communications against eavesdropping, the RD985 repeater possesses advanced digital encryption functions, according to the DMRA specification. Depending on the variant, the RD985 supports 40-, 128- or 256-bit encryption. With air interface encryption signaling and communications data between radio and repeaters are transmitted with reliable protection.

High transmitting power

The repeater offers an adjustable transmitting power of up to 50?Watt and thereby satisfies the high requirements for modern PMR radio systems.

Extremely reliable

Since the repeater was designed according to military standards, it offers high reliability and excellent performance. Test results from independent laboratories have shown that the repeater can be operated for up to 100,000 hours without interference (MTBF) and it therefore meets the requirements for use in extreme situations.

 

Specifications

Transmitter


Transmitting power

1 – 50 W

Modulation

11K0F3E at 12.5 kHz
14K0F3E at 20 kHz
16K0F3E at 25 kHz

4FSK digital modulation

12.5 kHz (data only): 7K60FXD
12.5 kHz (data and voice): 7K60FXW

Interfering signals and harmonics

-36 dBm < 1 GHz
-30 dBm > 1 GHz

Modulation limiting

± 2.5 kHz at 12.5 kHz
± 4.0 kHz at 20 kHz
± 5.0 kHz at 25 kHz

Hum and noise

40 dB at 12.5 kHz
43 dB at 20 kHz
45 dB at 25 kHz

Adjacent channel selectivity/

60 dB at 12.5 kHz
70 dB at 20/25 kHz

Audio sensitivity

+ 1 dB to - 3 dB

Audio distortion

≤ 3 %

Digital vocoder type

AMBE +2™

 

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