Data-logger D21

Overview D21 dual-card dual-standby 4G CORS network module is a dual-backup, stable and reliable 4G CORS network data transmission module independently developed by Lianshi.It can be used in the system with high data link, such as UAV, autopilot, precision agriculture, etc. This module can solve the problem of data discontinuity caused by the occasional disconnection of single network signal, single module signal difference, network base station switching or restart. It can be used for RTK base station data transmission or mobile station differential data transmission. Features •Built-in dual 4G modules, the combination scheme can be customized according to needs; •With positive and negative polarity reverse protection; •RS232 serial port is used for data communication, and data can be directly connected to various RTK receivers; •Online fast, strong network information, stable and reliable data, to meet all kinds of harsh network conditions; •The whole module adopts three proofing design, waterproof, dustproof and shockproof. DataSheet Product parameters Physical size: 126 × 71 × 30mm Weight: 260g Power supply: 6-28v Power consumption: ≤ 4.5w Antenna interface: 2 SMA I / O interface: 9-core aviation plug One RS232 serial port, one power interface Working temperature: - 40 ℃～ + 70 ℃ Storage temperature: - 45 ℃～ + 80 ℃ Protection grade: IP67 Impact and vibration: 2m drop resistance