CDL7 UHF External Datalink
GNSS Receivers
Overview
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.
Specifications
General
| Frequency Range | 410-470 MHz |
| Channel Spacing | 25 kHz |
| Work Mode | Half-duplex |
| Frequency Stability | ±1.5ppm |
| Modulation System | CSS/GMSK |
| Air Baud Rate | 11000bps/18000bps/31000bps/52000bps/115200bps/9600bps/19200bps |
| Protocol Type | LoRa/Transparent/MAC/TT450S/South |
| 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: 30W |
Communications
| 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, Channel button, Power selected button, Digital display |