Wholesale kydera dmr DM-990 tdma digital walki talki
General Specification of dmr tdma
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Function characteristics:
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Ø Individual Calling
Ø Group Calling
Ø General Calling
Ø Stun
Ø Recents
Ø Contacts
Ø GPS Status(optional)
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Ø SMS
Ø Remote sensing (optional)
Ø Scan
Ø Status information
Ø Activation
Ø System settings and telemetry
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Technical performance:
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Ø Menu Mode
Ø VOX
Ø Keypad
Ø 107 DCS
Ø 50 CTCSS
Ø LCD Display
Ø PC Programmable
Ø Priority Scan
Ø Channel Naming
Ø Li-ion Battery Pack
Ø Busy Channel Lockout
Ø Multiple Call Tones+1750Hz |
Ø Hi/Low Power
Ø Time-out Timer
Ø Low Battery Alert
Ø PC Programmable
Ø Frequency/Channel Scan
Ø Battery Strength Indicator
Ø Selectable Squelch Level
Ø CO/TO/SE Scan Switchable
Ø Programmable Greeting Message
Ø Selectable Name/Frequency Display Mode
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| Specification |
| Model |
DM-990 |
DM-990 |
| Frequency Range(MHz) |
VHF |
UHF |
| 136-174MHz 245-260MHz |
350-390MHz 420-520MHz |
| Channel |
512 |
| PLL Channel Spacing |
12.5/25KHz |
| Battery Voltage |
7.4V DC(Li-ion) |
| Antenna Impedance |
50Ω |
| Temperature Range |
-20℃~+60℃ |
| Frequency Stability |
±2.5PPM |
| Case Size |
126×56×37mm |
| Weight (w/Battery) |
400g |
| Packaging |
Gift box (unit body together with the accessories) |
| Compatible With American Military Standard(MIL-STD-810C/D/E) |
| Receiver(Measurements made per TIA/EIA-603) |
| First IF(MHz) |
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| Second IF(KHz) |
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| Sensitivity(12db SINAD) |
0.2(W)/0.25(N) |
| Squelch Selectivity |
0.15(W)/0.2(N) |
| Adjacent Channel Selectivity |
≥65dB(W)/≥60dB(N) |
| Intermodulation |
≥65dB |
| Spurious Rejection |
≥65dB |
| Image Rejection |
≥65dB |
| FM Ham And Noise |
≤45(W)≤40(N) |
| Modulation Type |
16KOF3E/11KOF3E |
| Operating Bandwidth |
≤±7KHz/≤±5KHz |
| AF Output |
0.5w@4Ohms |
| Audio Distortion |
≤3% |
| Transmitter(Measurements made per TIA/EIA-603) |
| RF Power Output |
5W/4W |
| Modulation Type |
F3E |
| Maximum Deviation |
≤5.0(W)/≤2.5(N) |
| Spurious Emission |
≤65dB |
| Modulation Distortion |
≤5% |
| FM Noise |
≤45(W)/≤40(N) |
Main Features (digital mode)
| individual calling |
contacts |
Status information |
| Group calling |
GPS Status (optional) |
activation |
| General calling |
SMS |
Syetem settings and telemetry |
| stun |
Remote Sensing (optional) |
| Recents |
Scan |
Main Features (Analogue Mode )
| Menu mode |
Channel Naming |
Time-out timer |
| Vox |
Busy channel lock out |
Frequency/channel scan |
| 107 DCS |
Multiple call tones+1750Hz |
battery strenth indicator |
| 50 CTCSS |
FM radio |
Selectable squelch level |
| Priority Scan |
Hi/Low power |
CO/TO/SE scan switchable |
| Programmable Greetings Message |
Selectable Name/Frequency Display Mode |
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