The TX2501-AJS-4CH-DPA miniaturized dual-antenna integrated device is a compact satellite navigation system designed for civilian drones and industry users. It supports dual-frequency signal reception of BDS B1i and GPS L1, has anti-broadband interference capability with a maximum interference count of 3, and offers anti-spoofing capabilities. The device integrates an antenna array, anti-jamming components, and a satellite navigation receiver, featuring miniaturization, lightweight design and low cost.
Product function
1. RNSS signal reception
1) It has the function of receiving RNSS signals from Beidou-2 and Beidou-3 navigation
satellites
2) Civil code: B1i, L1
2. Anti-jamming function
It has anti-jamming function with L1 and B1 frequency points, which can suppress
narrowband interference, broadband interference, pulse interference, sweep frequency interference, Gaussian interference and other suppressive interference
3. Anti-spoofing function
It has anti-spoofing function with L1 and B1 frequency points, and can suppress asynchronous spoofing, synchronous spoofing and forwarding spoofing, so as to output pure signal to the back-end receiver and output
4. Software upgrade
It has the function of software upgrade, which can be upgraded through the serial port
against interference module and receiver module
5. System self-test
It has self-inspection and status inspection functions
6. Interference detection
It has interference detection function and interference power detection function
7. Fire resistance function
The anti-continuous wave power is not less than 10W
8. Security
Overvoltage protection is available
Behaviour of electricity
1.Working frequency
L1：1575.42MHz
B1：1561.098MHz 2.Interference resistance
Unidirectional interference: ≥105dB, Three-direction interference: ≥95dB
3.Anti-spoofing performance
Output residual spoofing signal CN0: less than or equal to 20dB
4.Positioning accuracy
Level 1.5 m (95%), elevation 1.5 m (95%)
5.Rate accuracy
≤ 0.2 m/s (95%)
6.Timing accuracy
≤100ns（95%）
7.Working voltage
Input voltage 5~17V
8.Power consumption
≤13W
Interface definition
Power/data interface
The J30J-9ZK core connector is selected, and the pin definition is as follows:
2.RF interface
1) Anti-jamming signal output interface, using SMA connector, and in the formof asingle line
2) The signal level of output L1/B1 is-70~-60dBm
Structural requirement
1.Outline dimension 150mm×130mm×22mm
2.Weight
≤520g
3.Color
French grey
Environmental suitability
Working temperature -40℃～+55℃
2. Storage temperature -55℃～+70℃
3. Relative humidity Temperature 40℃; humidity: 96%
4. Rain standard Meet the rain test requirements of GJB150A
Typical application scenarios
Time synchronization security in power, communication and finance
2. Navigation safety of unmanned aircraft, unmanned vehicles and unmanned ships
3. Fleet defense navigation safety
4. High-end logistics navigation safety
Description of the relationship
1. The telecommunication signal connection between the product and the platform carrier is connected by low frequency data method.
2. The product has a built-in locator that can replace the conventional positioning terminal and antenna.
