CDL7 UHF External Datalink
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Introduction
Product Parameter
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Introduction
The CDL7 is a high-quality, UHF external datalink designed for gnss rtk survey system. High power design will extend your RTK work region. Fully metal construction provides high performance and rugged dependability for the toughest environment.


  • Designed for gnss rtk Survey Systems
  • Change Channels from 410-470 MHz in the Field
  • 5 Selectable Air Baud Rate Options
  • User-defined Power Levels from 5W to 35W
  • Anti-reverse Power Protection
  • Super-rugged IP67 Proof Level and Robust Reliability
  • Work as TX/RX1 Mode
01
TX & RX
The CDL7 can be worked in both TX/RX mode and cover many solutions from simple point-to-point connections to large networks of hundreds of modems. Even for expanded networks, only one operating frequency is required.
02
Easy of Setup
The CDL7 is designed to easily amount on all standard tripods and range poles. Advanced 10 frequency channels can be easily changed even in the field.
03
IP67
With IP67 waterproof and dustproof level and fully metal construction, the CDL7 combines high performance and rugged dependability, extending to work even in harsh environment.
Product Parameter
General
Physical
Communication
General
  • Frequency Range
    410-470 MHz
  • Channel Spacing
    25 kHz
  • Work Mode
    Half-duplex
  • Frequency Stability
    ±1.5ppm
  • Modulation System
    CSS
  • Air Baud Rate
    500bps/ 11000bps/ 12500bps/ 15500bps/ 18000bps
  • Protocol Type
    LoRa
  • Adjacent Channel Rejection Ratio
    -55 dB
  • Forward Error Correction
    Yes
  • Sensitivity
    -120 dBm
Physical
  • Size (with connector)
    11cm × 18cm × 9.3cm
  • Weight
    1.3 kg
  • Mount
    Tripod Bracket, 5/8”-11 Range Pole
  • Operating Temperature
    -30℃ to +65℃
  • Storage Temperature
    -45℃ to +85℃
  • Humidity
    100% no condensation
  • Dustproof and waterproof
    IP67, protected from temporary immersion to depth 1m
  • Shock
    Designed to survive a 2m drop onto concrete
  • Power Supply
    +10V ~ +14.5V DC
  • Transmit Current
    <6A
  • Received Current
    0.6W
  • Transmit Power Select
    Low: 5W
    High: 35W
Communication
  • Data Connector
    1 Serial Port (7-pin Lemo) Baud rates 115200 bps (4800 bps to 115200 bps optional)
  • Power Connector
    2-pin Lemo port
  • RF External
    50 Ohm, N-TYPE female
  • User Interface
    - Power button (for powering receiver)
    - Channel button
    - Power selected button
    - Digital display
  • Datalink Antenna
    1
  • Extension Bar
    1
  • Datalink cable from GNSS Receiver to CDL7
    1
  • External Power Cable for CDL7
    1
  • Aluminum Disc
    1
  • Aluminum Tripod
    1
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