CHCNAV B5 GNSS Base Station - RTK Reference Receiver
· Long-distance UHF radio coverage
· Durable waterproof field construction
· Steady high-precision differential data
ABOUT US
Chengdu Enbao Co., Ltd. has over 20 years of experience in the surveying instrument industry and is a professional domestic enterprise in this field. Equipped with advanced production, processing and testing facilities, we focus on the research, development and manufacture of the latest surveying instruments, including RTK receivers, total stations, electronic the odolites, levels and supporting accessories. We keep upgrading and optimizing our products based on mature traditional technologies to achieve superior performance and reliable quality. We sincerely offer premium products and thoughtful services to clients woridwide.
Company collaboration
PRODUCT DESCRIPTION
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15 H+ Worry Free Work
14000mAh battery enables B5 15-hour runtime on 5W radio. CHCNAV DistLink saves power greatly, supporting all-day survey without battery replacement.
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Long-Range Transmission
The integrated radio delivers a typical working range of 8KM. It effectively solves limited coverage issues of internal radio mode, eliminating the need for external radio units.
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Auto Switch and Fast Fix
B5 Ultra Base sends differential data over radio and network at once. AI auto-selects the best channel/server on startup for fast fix. It switches to network beyond radio range to maintain steady continuous surveying.
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One-Click Activation
The integrated radio delivers a typical working range of 8KM. It effectively solves limited coverage issues of internal radio mode, eliminating the need for external radio units.
B5All-Day GNSS Station
13 H+ Runtime
DistLink Technology
Ultra Base
Premium GNSS
Full Set of Accessories
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CHCNAV B5
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Battery
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Aluminum Disc
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Radio Antenna
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Charger
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Extension Pole
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User Guide
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High-Strength Instrument Case
CHCNAV B5 GNSS Base Station Specifications
High‑Performance GNSS Reference Station Receiver for Surveying & Mapping
RECEIVER CHARACTERISTICS
| Satellite Tracking | GPS + BDS + GLONASS + Galileo + QZSS; Supports BDS‑3 satellites, 5‑constellation, 21‑frequency tracking |
| Channel Count | 1408 |
| Operating System | Linux OS |
| Initialization Time[1] | < 5 s (Typical) |
| Initialization Reliability | 99.99% |
PHYSICAL APPEARANCE
| Buttons | 1 FN function key, 1 power key |
| Indicator LEDs | 1 differential signal LED, 1 satellite status LED |
| Display | 1‑piece LCD display |
NOMINAL ACCURACY[2]
| Static Survey Accuracy | Horizontal: ±(2.5 + 0.5×10-6×D) mm Vertical: ±(5 + 0.5×10-6×D) mm |
| RTK Accuracy | Horizontal: ±(8 + 1.0×10-6×D) mm Vertical: ±(15 + 1.0×10-6×D) mm |
| Code Differential Accuracy[3] | Horizontal: ±(0.25 + 1×10-6×D) m Vertical: ±(0.50 + 1×10-6×D) m |
| Single‑Point Position Accuracy | 1.5 m |
ELECTRICAL & POWER
| Battery | Removable 14000 mAh Li‑ion battery, up to 12+ hours operation as base station |
| External Power Supply | DC power input; 220V AC adapter supported; External radio power supply (9‑24 V DC) |
OUTPUT & STATIC DATA STORAGE
| Output Format | NMEA 0183, Binary format |
| Output Methods | BT / Wi‑Fi / Radio / Serial Port |
| Logging Format | HCN, HRC, RINEX |
| Storage Capacity | 8 GB internal storage (standard) |
| Download Methods | FTP remote push, local one‑click download, HTTP download |
DATA COMMUNICATION
| I/O Interfaces | 1 7‑pin multi‑function data port (power supply & differential output); 1 Nano‑SIM slot, 1 external UHF antenna port; Built‑in e‑SIM, includes 3‑year survey data traffic by factory default |
| Network Module | 4G full‑network support |
| Internal Radio | Transceiver integrated radio, max transmit power: 5 W |
| Bluetooth | BT4.0, backward compatible with BT2.x; Windows / Android / iOS compatible |
| Wi‑Fi | 802.11 b/g/n |
| NFC | NFC quick‑pair supported |
PHYSICAL PROPERTIES
| Dimensions | Φ160.54 mm × 103 mm |
| Weight | 1.73 kg |
| Housing Material | AZ91D magnesium alloy |
| Operating Temperature | -45 ℃ ~ +75 ℃ |
| Storage Temperature | -55 ℃ ~ +85 ℃ |
| Ingress Protection | IP68 |
| Shock Resistance | IK08 |
| Drop Resistance | Survives 2‑meter free‑fall |
| Super Dual‑Transmit | Supports radio + network concurrent differential output for full‑redundant data service |
| One‑Click Start‑up | CHC data‑link concurrent communication tech; base station deploy‑and‑go |
*Specifications subject to change without prior notice.
[1] Initialization subject to satellite geometry, multipath, obstructions and environmental conditions.
[2] Accuracy & reliability are affected by multipath, obstructions, satellite geometry and external environment. For best performance, operate in open‑sky sites with minimal multipath. Baselines longer than 30 km may require longer observation sessions (up to 24 h) to achieve static‑grade accuracy.
[3] Depends on the performance of the reference base station system.
Product sold for mainland China market only. Parameters listed are lab‑tested nominal values. Real‑world performance may vary due to hardware batch, working environment and setup conditions. Refer to official website for latest specifications.