NS220/NS240The satellite navigation signal forwarding, recording and playback device is the successor of Dongfang Lianxing CompanyNS210A、NS210BAfterwards, the latest products will be launched to meet customer needs. In addition to having multi frequency data acquisition,Added the function of forwarding real signals, making the testing environment more flexible, reducing the number of field tests, saving testing costs, and improving the work efficiency of technical personnel.

Main purpose

◆Design and development of satellite navigation chips;

◆Receiver software design;

◆Interference and anti-interference research;

◆Carrier phase research and application research;

◆Signal spectrum analysis;

◆Research on Capture and Tracking Algorithms for High Sensitivity Signals;

◆Research on high-precision receiver algorithm

performance index

u storage/playback/Forwarding frequency:GPS L1/L2，GLONASS L1/L2，BD-2 B1/B2/B3

* NS220Can support both simultaneously2RF signal data acquisition and playback

* NS240Can support both simultaneously4RF signal data acquisition and playback

* NS220/NS240Can support both simultaneously4RF signal data forwarding

u Digitized quantization bits:2bit I/Q

u Output power control:31dB, 1dBstep length

u Built in hard drive: used for data storageSSDElectronic hard drive, effectively improving product shock resistance (standard configuration)240G）

u Storage time: The storage time depends on the size of the storage medium (standard configuration)2.5Hour)

u External active antenna,+5VFeed, not less than28dBGain low noise amplifier

u Forwarding interface: equipped with DC isolation circuit, output power range:-76~-45dBm

u Power Supply:9~15V DC

u power waste:12W

u External transmission ports: network portUSB2.0Backup, collect, and interact with the collected data from the device;

u It can be done through external meansRS232Control through serial port.

u Frequency reference: InternalOCXO, External25MHzInput; Automatic switching of internal and external clocks

u Working temperature range:-20℃~+70℃Storage temperature:-30℃~+80℃；

u Size:25cm x 25cm x 10cm

u Weight:1.2kg