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  • DM-550S (DMR).jpg

DM-550S (DMR) Two Way Radio Walkie Talkie


  • Áru neve: DM-550S (DMR) Two Way Radio Walkie Talkie
  • Mintaszám: DM-550S (DMR)
  • Márka: Kydera
  • Termék eredete: Quanzhou
  • Típus: Two Way Radio


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DM-550S (DMR) two way radio walkie talkie

• Individual Calling

• Group Calling

• General Calling

• Stun

• Recents

• Contacts

• GPS Status(optional)

• SMS

• Remote sensing (optional)

• Scan

• Status information

• Activation

• System settings and telemetry

 

Technical performance:

• Menu Mode

• VOX

• Keypad

• 107 DCS

• 50 CTCSS

• LCD Display

• PC Programmable

• Priority Scan

• Channel Naming

• Li-ion Battery Pack

• Busy Channel Lockout

• Multiple Call Tones+1750Hz

• Hi/Low Power

• Time-out Timer

• Low Battery Alert

• PC Programmable

• Frequency/Channel Scan

• Battery Strength Indicator

• Selectable Squelch Level

• CO/TO/SE Scan Switchable

• Programmable Greeting Message

• Selectable Name/Frequency Display Mode

Specification
Model DM-550S DM-550S
Frequency Range(MHz) VHF UHF
136-174MHz 245-260MHz 400-470MHz
Channel 256
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 100×57×35mm
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)  
Second IF(KHz)  
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 ≥60dB
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)

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