Product Description Portable VHF/UHF Amateur Two Way Radio (2 way radio, Walkie Talkie, FM Transceiver, Interphone) VR-728 from China Professional Two Way Radio (2 Way Radio, Walkie Talkie) Supplier. Handheld Two Way Radio VR-728 offers 128 channels and 5 watts of power, a lithium battery providing a 22 hour battery life, and coverage for up to 250, 000 square feet, 20 floors, or up to 6 miles. VR-728 supports VHF frequencies or UHF frequencies with 104 Quiet Talk codes (50 digital).
Feature:
VHF <5W/ UHF 4W output power
128 memory channels
Built-in 50 CTCSS and 104 DCS
Wide (25KHz) and Narrow(12.5KHz) channel spacing
Programmable in separate channels
Come with 1200mAh Li-ion battery
Input Frequency directly by keypad
VOX built-in
Frequency Scan & CTCSS Scan
Three different scan type: TO/CO/SE
Three color LCD backlight display
Sound Alarm
Programmable by PC software
Bell ring when receiving signal
Priority Scan Function
Adjust power High/Low
Switching between Channel/VFO
Display Channel+ Frequency mode.
Adjust squelch level (0-9)
Busy channel lockout
Keypad lock
Reverse Frequency Function
Channel step 5k, 10k, 6.25k, 12.5k, 25k
Program alphanumeric channels name
Self-program
Voice Annunciation
| Technical Specification |
| Frequency Range | VHF:136-174MHZ
UHF:400-470MHZ |
| Operating Voltage | DC 7.2V |
| Working Trmperate | -20 ºC ~+50 ºC |
| Memory channel | 128 |
| Operate Mode | Simplex or Semi-duplex |
| Channel spacing | 5KHz/6.25KHz/10KHz/12.5KHz/25KHz |
| Frequency sensitivity | ±5ppm |
| Antenna impedance | 50Ω |
| Weight | 220 g (include Battery) |
| Dimension | 100mm*55mm*32mm(not include Antenna) |
| Receiver |
| RF sensitivity | ≤0.2 μV |
| Silent sensitivity | ≤0.2 μV |
| Audio frequency power | 500mW |
| Audo distortion | ≤5% |
| Audio Response | +2dB~-10dB |
| Spurious Rejection | ≥55dB |
| Adjacent Channel Selectivity | ≥55dB |
| Intermodulation Rejection | ≥55dB |
| Blocking | ≥85dB |
| Transmitter |
| Output power | 5W/1W |
| Frequency Stability | +-2.5ppm |
| Max Frequency Deviation | ≤5KHz |
| Modulation sensitivity | 2.2KHz-3.6KHz |
| Modulation deviation | ≤5% |
| Modulation Character | +3dB~-3dB |
| Adjacent Channel Power | ≥65dB |
| Surious Radiation | ≤7μW |
| Occupied Bandwidth | ≤16KHz |
| Remanent modulation | ≤-35dB |
| Packing: | 30 PCS/CTN |
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| Model: | VR-728 |
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| Standard: | CE |
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| Productivity: | Please contact with us |
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| Unit Price/Payment: | Please contact with us |
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| HS Code: | 85252023 |
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| Trademark: | VERO |
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| Origin: | Quanzhou,Fujian,China |
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| Min. Order: | 100 PCS |
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| Transportation: | By Air/ By Sea |
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This product was added to our catalog on Saturday 20 December, 2008.
