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MD720

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MD720

MD720 is a DMR moblie radio, digital display screen and GPS(Optional), MD720 uses TDMA digital technology to DTMA digital technology to double the users of single 12.5MHz channel. It support integrated application, including text messaging transmission and positioning services, The newly designed durable IMPRES keyboard microphone support the short free format and fast text messaging transmission from radio to radio and the IMPRES audio system enhance the audio function. Compared with analog radio, MD720 can provide a clearer voice communication over the whole use range.

● DMR moblie radio
● AMBE+2
● DTMA digital technology
● Channel capacity up to 1,000

UHF/VHF

Channel capacity: 1,000

Frequency: 136-174MHz/400-470MHz

Standby: 0.81A(Max)

Receive @rated audio: 2A(Max)

Transmit@rated audio: 14.5A(Max)

Transmitter

Frequency Stability: ±1.5ppm

Power output: UHF/VHF

Low Power: 1-25W/1-25W

High Power: 25-40W/25-45W

Modulation limit: ±2.5KHz @12.5KHz/ ±5KHz @25KHz

FW hum and noise: -40dB @12.5KHz/-45dB @25KHz

Conduct/radiate TX: -36dBm @<1GHz/-30dBm @>1GHz

Adjacent channel power: -60dB @12.5KHz/ -70dB @25KHz

Modulation feature: +1,-3dB

Audio distortion: 3%

FM modulation type: 12.5KHz:11K0F3E25KHz:16K0F3E

4FSK digital modulation type: 12.5KHz(data only):7K60FXD/12.5KHz(data+voice):7K60FXE

Vocoder type: AMBE+2

GPS: Optional

 

Receiver

Channel Step: 12.5/25 KHz

Analog sensitivity: 0.3uV(12 dB SINAD)

Digital sensitivity: 5% BER:0.3uV

Inter-modulation: 60dB

Adjacent channel selectivity: -60dB @12.5KHz; -70dB @25KHz

Spurious rejection: 70dB

Rrated audio: 3W(Internal)

Audio distortion@rated audio: 3%

Hum and noise: -40dB @12.5KHz; -45dB @25KHz

Audio response: +1，-3dB

Conducted spurious TX: -57dBm


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