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Cheap Professional High Quality HYT PD790Ex Wireless interphone
interphone Specifications:
Basic information
Frequency range VHF : 136-174MHz
UHF1: 400-470MHz
Channel number 1024
Group number 64 ( each with up to 16 channel )
Channel spacing of 25 / 20 / 12.5 KHz
Working voltage rated 7.4V
Battery 1800mAh ( Li-Ion )
Average battery working time
( 5-5-90 work cycle, high power transmitter )
2000mAh high capacity lithium battery simulation: more than 10.5 hours
Digital: more than 14 hours
Frequency stability + 1.5ppm
Antenna impedance 50 ohm
Size ( high X width X depth )
( with a standard battery, with 55 X 39mm / 141X antenna )
Weight ( with a standard battery and antenna ) 550G
LCD display 160 x 128 pixels, 65535 color
1.8 Inch, 4 lines
Transmission part
The output power of 1W
FM modulation 11K than F3E @ 12.5 kHz
14K than F3E @ 20 kHz
16K than F3E @ 25 kHz
4FSK digital modulation data only: 7K60FXD 12.5kHz
The 12.5kHz data and voice: 7K60FXW
Transmitter spurious - 36dBm < 1GHz
- 30dBm > 1GHz
Modulation limiting + 2.5kHz @ 12.5 kHz
+ 4.0kHz @ 20 kHz
+ 5.0kHz @ 25 kHz
FM 40dB @ 12.5 kHz noise
43dB @ 20KHz
45dB @ 25 kHz
Adjacent channel power 60dB @ 12.5 kHz
70dB @ 20 / 25 kHz
Audio response + 1 ~ - 3dB
Audio distortion is less than or equal to 3%
Digital speech coder AMBE + + or SELP
Receiving part
Sensitivity
Simulation of 0.3 V ( 12dB SINAD )
0.22 u V ( typical value ) ( 12dB SINAD )
0.4 ~ V ( 20dB SINAD )
Figure 0.3 u V / BER5%
Adjacent channel selectivity
TIA-603
ETSI
60dB @ 12.5 @ 20&25 kHz kHz / 70dB
60dB @ 12.5 @ 20&25 kHz kHz / 70dB
Intermodulation
TIA-603
ETSI
70dB @ 12.5 / 20 / 25 kHz
65dB @ 12.5 / 20 / 25 kHz
Spurious response inhibition
TIA-603
ETSI
70dB @ 12.5 / 20 / 25 kHz
70dB @ 12.5 / 20 / 25 kHz
The signal to noise ratio 40dB @ 12.5 kHz
43dB @ 20KHz
45dB @ 25 kHz
Rated audio-frequency output power 0.5W
Rated audio distortion is less than or equal to 3%
Audio response + 1 ~ - 3dB
Conduction and radiation < - 57 dBm
Environmental index
Operating temperature range - 20 degrees to + 50 degrees C.
Storage temperature range of - 40 degrees to + 85 degrees C.
ESD ( electrostatic protection grade ) IEC 61000-4-2 ( Level 4 )
+ 8kV ( contact discharge )
+ 15kV ( air discharge )
American military standard MIL-STD-810 C / D / E / F
Waterproof and dustproof IP67 standard
Moisture proof according to the MIL-STD-810 C / D / E / F standard
Shock and vibration according to the MIL-STD-810 C / D / E / F standard
GPS ( PD780G only )
TTFF ( time to first fix ) cold start < 1
TTFF ( time to first fix ) hot start < 10 seconds
Horizontal position accuracy of < 10
More of our products recommended, interested of please click the image below
interphone Company Profile:
Brief Introduction
Guangzhou Etmy Co., Ltd., founded in 2008, is a manufacturer specialized in the research, development and production of walkie-talkies. We are located in Guangzhou, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
All customers who would like to pay a visit to our company will be warmly welcomed !
Verified Information By Onsite Checked
| Verification Type | third-party verification service provider |
| Business license |
|
| Business Type | Trading Company |
| Main Products | Two-Way Radio,Mobile Radio,Two-Way Radio Antenna,Radio Battery,Charger,Solar Light,CCTV Camera |
| Operational Address | Rm. 903, Block B, 421 Yanjiang East Road, Guangzhuo, Guangdong, China (Mainland) |
| Telephone | 020-83792915 |
| Fax | 020-83792915 |
| Applicant Information |
|
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