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High-Performance GNSS/RTK Wireless Data Link from China's Reliable Suppliers and Factory for Precise Survey Measurements

Surveyors in China looking for reliable positioning solutions can trust our rugged radio modem data links, designed specifically for Global Navigation Satellite Systems. Our PDL products are compact, lightweight, and engineered for power-efficient operation, ensuring high performance and durability even in the most challenging survey environments, As a leading supplier, we ensure our PDL products are compatible with all standard tripods and range poles, offering easy mounting options. We provide complete kit solutions tailored to meet the diverse needs of our customers. Partner with our factory to enhance your surveying capabilities and achieve precise results in your fieldwork

    PDL High Performance Data Link
    Designed for Survey Systems
    19,200 Baud Rate
    High Over-the Air Link Rate Extends Your Battery Life
    Enhanced User Interface: Change Channels in the Field & View Status Information
    Compatible with GPS/GNSS RTK Equipment Worldwide
    Complete Kit Solutions Available for Your Application
    Rugged, Reliable, Waterproof & All-Weather Operation
    Specification High Power Base Low Power Base Rover
    General Specifications
    DTE - DCE Interface 3 Wire, RS-232, 38.4k Baud Maximum
    User Interface On/Off Button* ("Auto Power On" enabled when connected to power source Channel Button with AutoBase™ and AutoRover™ Digital Display Modem/Power Status Indicators RF Power Select Toggle Switch) On/Off Button* ("Auto Power On" enabled when connected to power source Channel Button with AutoBase™ and AutoRover™ Digital Display Modem/Power Status Indicators) On/Off Button* Channel Button with AutoRover™ Digital Display Modem/Power Status Indicators
    Power
    External 9-16VDC
    Internal Battery N/A N/A Lithium Ion Rechargeable
    During TX (nominal) 110 Watts (35W) 11 Watts (2W) N/A
    During RX (nominal) 1.9 Watts 0.9 Watts 0.3 Watts
    Antenna
    External 50 Ohm, BNC 50 Ohm, NMO 50 Ohm, NMO
    Modem Specifications
    Link Rate/Modulation 19,200 bps/4Level FSK (25 kHz), 9600 bps/4Level FSK (12.5 kHz), 9600 bps/GMSK (25 kHz), 4800 bps/GMSK (12.5 kHz)
    Link Protocols Transparent, Packet Switched, Digipeater, TRIMTALK, Satel Transparent, Packet Switched, Digipeater, TRIMTALK, Satel Transparent, Packet Switched, TRIMTALK, Satel
    Forward Error Correction Yes
    Radio Specifications
    Frequency Bands Refer to price list for available frequency bands.
    Frequency Control Synthesized 12.5 kHz Resolution ±2.5ppm Stability
    RF Power Select Low/High Factory Programmable N/A
    RF Transmitter Output 2/35Watts Maximum 0.5 - 2Watts 0Watts (Receive Only)
    Sensitivity -110 dBm BER 10-5
    Adjacent Channel Selectivity >65 dB(25kHz), >55 dB(12.5kHz) >60 dB(25kHz), >50HdB(12.5kHz)
    Type Certification All models are type accepted and certified for operation in the U.S. and Canada. For detailed information concerning your country's type certification, please contact your sales representative.
    Environmental Specifications
    Operating Temperature -22° to +140℉ (-30° to +60℃) -4° to +140℉ (-20° to +60℃)
    Storage Temperature -67° to +185℉ (-55° to +85℃) -4° to +185℉ (-20° to +85℃)
    Vibration/Shock ANSI/ASAE EP455
    Enclosure IEC 144/855420 I.P.66 Watertight and Dustproof
    Mechanical Specifications
    Dimensions 6.23" W x 2.77" H x 6.58" L (15.8cm W x 7.0cm H x 16.7 cm L) 8.25" W x 2.40" Diameter (21.0cm L x 6.1cm Diameter) 8.25" L x 2.40" Diameter (21.0cm L x 6.1cm Diameter)
    Weight 2.96 Ibs. (1.34Kg) 0.65 Ibs. (0.30Kg) 0.75 Ibs. (0.34Kg)
    Data/Power Connector 5 Pin LEMO #1 Shell 5 Pin LEMO #0 Shell 5 Pin LEMO #0 Shell
    Mount Tripod Bracket 5/8"-11 Range Pole 5/8"-11 Range Pole
    Frequently Asked Questions
    What is the maximum over-the-air link rate of the PDL system?
    The PDL High Performance Data Link features a maximum link rate of 19,200 Baud (19,200 bps / 4Level FSK on 25 kHz channels).
    Are the units waterproof and suitable for harsh environments?
    Yes, the enclosure meets IEC 144/855420 I.P.66 standards, making it watertight, dustproof, and designed for all-weather operation.
    What is the operating temperature range for the High Power Base?
    The High Power Base can operate in temperatures ranging from -22°F to +140°F (-30°C to +60°C).
    Does the Rover station have an internal battery?
    Yes, the Rover station is equipped with an internal Lithium Ion rechargeable battery, whereas the High Power and Low Power Bases use external power (9-16VDC).
    What interface protocol does the DTE-DCE connection use?
    It uses a 3-wire RS-232 interface with a maximum speed of 38.4k Baud.
    What link protocols are supported by these modems?
    Depending on the model, they support Transparent, Packet Switched, Digipeater, TRIMTALK, and Satel protocols.