"Job Biography" today released a Chinese version of the book million

"Jobs biography" released today Beijing time on October 24 news, the only authorized by Apple co-founder Steve Jobs Steve Jobs biography will be officially released in the world today, Simplified Chinese version will be sold in 30 bookstores in 21 cities across the country, statistics Shows that the Chinese version has been scheduled for more than 1 million copies.

"Steve Jobs Biography" has attracted much attention in the industry because of Jobs's personal authorization and biographer Isaacson. The author of this book has written biographies for celebrity scientists such as Albert Einstein and Franklin, and has personally contacted Steve Jobs with his permission. From the first-hand data, we interviewed relatives, friends, colleagues, and competitors of Jobs. It can be said that this book is the most valuable material that can reflect the life of this giant of science and technology.

At present, CITIC Publishing House has been identified as the only publishing company in the simplified Chinese version of Steve Jobs biography. Some online media have also been authorized by CITIC to publish an electronic version to allow users to read this great biography in various ways.

GPS Antenna Description

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GPS Antenna Specifications

Technical Specification

1. Dielectric Antenna

Center Frequency: 1575.42MHz ±3MHz 
V.S.W.R: 2:01
Bandwidth: ±5 MHz
Impedance: 50
Peak Gain: > 3dBic based on 7x7cm ground plane
Gain Coverage: > -4dBic at -90 < 0 < 90 (over 75 volume)
Polarization: RHCP 

2. LNA/Filter

LNA Gain Without cable: 28dB Typical
Noise Figure: 2.0dB
Filter Out Band Attenuation: (f0=1575.42MHz)
7dB Min f0+/-20MHz;
20dB Min f0+/-50MHz;
30dB Min f0+/-100MHz
V.S.W.R: < 2.0
DC Voltage: 3V to 5V
DC current: 7-10MA

3. Overall 

Frequency Range: 1575/1609MHz 
V.S.W.R: 2.0 
Gain: 30±3dBic 
Impedance: 50 R 

4. Mechanical

Weight: 60 gram 
Size: 45x38x15mm 
Cable: RG174 
Connector: SMA 
Mounting: Magnet base 
Housing: Black 

5. Environmental

Working Temp: -40~+105 
Waterproof test: 4 hours under the tap, let the water rush over the housing; 
Vibration: Sine sweep 1g (0-p) 10 ~ 50 ~ 10Hz each axis 
Humidity: 95% ~ 100% R



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