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Digital Two Way Radio Systems
The DM-730 is a professional compact and durable digital license-free handheld radio. It has CE certification for UHF400-480MHZ and PMR 446MHZ.
YANTON digital two way radio systems DM-730 is a professional digital two way radio. Digital walkie-talkie is a communication method that digitizes analog signals, uses digital coding and digital modulation, and uses digital signal processing methods to optimize communication. Compared with analog walkie-talkies, digital walkie-talkies have the characteristics of strong anti-interference ability, good call quality, high frequency utilization rate, good confidentiality performance, support for data services, easy to carry out error-free relay, and easy to share a digital relay system. According to the law of communication development, there is no doubt that digital walkie-talkies are the development direction of walkie-talkie technology, and will inevitably replace analog walkie-talkies gradually. The main functions of 5W DMR Two Way Radio DM-730 are:
Two frequency bands can be selected, single band, VHF 136-174MHZ or UHF 400-480MHZ;
The number of channels is 32Channels;
Support Digital Contacts (All call & Group call & Single call), multiple call modes;
Quick call function, Scan Function
Wide/Narrow bandwidth Selection, Wide/Narrow bandwidth Selection
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TRANSMIT PART |
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RF power |
High: ≤5W(HI) Low: ≤1W(Low) |
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Frequency stability |
+/-1.0ppm |
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Adjacent channel Power |
≤-60dB |
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Free time slot power |
TDMA: ≤-57dBm |
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FM modulation mode |
12.5KHZ:11K 0 F 3 E |
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RECEIVER PART |
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Analog sensibility |
0.35uV/-116dBm(20dB SINAD) / 0.22 uV/-120dB m(Type) |
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Digital sensibility |
0.3 uV/-117.4dBm(BER 5%) / 0.7 uV/-110dBm(BER 1%) |
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Co-channel Rejection |
≥-12dB |
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Spurious response |
TIA603C: 75dB ETSI: 70dB |
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Adjacent channel selectivity |
TIA603C: 65dB ETSI: 60dB |
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Rated audio power |
1w |
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