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Dual Link Radio A Data Link Transmission Transmit Remote Control Signal and Digital Signal Simultaneously for UAV
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Small Radio Altimeter MY-28A、MY-24(XXX-28A、XXX-24)

Mini Radio Altimeter MY-4001

The MY-4001 series altimeter represents the latest generation of radar altimeters. While complying with aerospace standards, it boasts an extremely compact size, with external dimensions measuring a mere 86mm × 52mm × 25mm. As a full-featured radio altimeter, the MY-4001 serves as a core component for the control of the longitudinal altitude channel. It finds wide application in flying missiles and unmanned aerial vehicles (UAVs) to measure altitude relative to the sea surface or ground.
Employing a linear frequency-modulated continuous wave (LFMCW) measurement system, the MY-4001 exhibits outstanding characteristics, including high precision, strong anti-interference capability, excellent battery compatibility, and stable, reliable operation. These attributes make it particularly well-suited for radar altitude measurement in ultra-light and ultra-small aircraft. For interface output, it adopts RS422 and CAN protocols, which effectively enhances the reliability of the product’s data transmission.
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Description

Main Electrical Performance

  •  Working frequency: 4.2 ~ 4.4ghz;
  • Radiation power: 20-24dbmw;
  • Receiving sensitivity: ≥90dB/100M; ≥105dB/500m;
  • Height measurement capacity: 0.3-1500m;
  • Height measurement accuracy: ± 0.2m or ± 0.02h;
  • Adaptive flight attitude: pitch ≥30° and roll ≥30°;
  • Out of band suppression: not less than 50dB;
  • Data update rate: 20Hz;
  • Components: the localization rate is 100%;
  • Power supply: 18V ~ 36V DC;
  • Power consumption: ≤ 10W@28V;
  • Output form: RS422, CAN;
  • Main engine weight: less than 0.2kg；
  • Total weight of antenna: less than 0.1kg.

 

Mechanical Parameters

Dimension and weight of each part of altimeter

Serial number Name Size Weight(kg)
1 Measurement and control unit Maximum external dimension: 102mm×62mm×27mm (including mounting lug and connector) ≤0.2
Body size: 86mm×52mm×25mm; (excluding connectors)
2 Transmitting antenna 75mm×64mm×5mm; (without SMA connector) ≤0.05
3 Receiving antenna 75mm×64mm×5mm; (without SMA connector) ≤0.05
4 Feeder Transmission feeder length: 2800mm –
Receiving feeder length: 2800mm

 

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MDG-300 Radio Altimeter

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MASS-03 Radio Altimeter Continuous Echo Signal Simulator

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The MY-28A and MY-24 are developed following the three core design principles of serialization, standardization, and modularization. This design approach endows the products with strong design inheritance, ensuring they are mature and reliable in operation. To date, these two models of radio altimeters have been widely applied in multiple types of aircraft, with their total deployment quantity exceeding 800 units.

MY-70D Anti Jamming Radio Altimeter

Operating in the C-band, the MY-70D radio altimeter employs a frequency-modulated continuous wave (FMCW) operating system and incorporates closed-loop tracking measurement technology, equipping it with the capability to resist same-frequency asynchronous interference. This ensures that when multiple aircraft take off and fly simultaneously, their altimeters do not interfere with one another. To achieve resistance against active interference, the altimeter adopts a range of measures, including anti-blocking, anti-burnout, power control, beam control, frequency agility, and frequency modulation (FM) technology. Furthermore, it features silent power supply control for its microwave components; its antenna is fitted with a band-pass filter, and a customized radome with frequency-selective functionality is utilized—these design elements enable the altimeter to achieve a wave transmission rate of ≥85% for the operating frequency within the band and less than 10% for out-of-band frequencies, thereby realizing stealth capabilities.