The accuracy of Unicore GNSS receivers ranges all the way from meter, though sub-meter and centimeter, down to the millimeter level.

Using our own unique technology Unicore has successfully developed and fielded series of multi-system, multi-frequency, high-performance System on a Chip (SoC), and a range of high-precision, board-level GNSS receivers and navigation/timing modules.

Unicore is a one-stop provider of GNSS SoC chips and GNSS receivers, with extensive experience in the design, verification, development, implementation and production of highly integrated ICs, along with multi-system high-performance GNSS baseband algorit

Unicore Communications, Inc. is a technology company focused on the design & development of highly integrated ICs, algorithms and GNSS receivers.

Home > Product Center > UM220-III NB


抗干扰GNSS 导航定位模块


    UM220-III NB 是和芯星通针对车载后装包括导航、监控应用推出的BDS/GPS 双模定位模块。UM220-III NB 采用和芯星通自主知识产权的抗干扰GNSS SoC 芯片——UC6225,集成度高,适合GNSS 规模应用。


• 高性价比,抗干扰,能在复杂环境下稳定精确定位
• 出色的导航,定位功能,支持单系统定位和双系统联合定位
• 兼容主流GPS 模块,替换成本低
• SMD 表贴封装,方便批量生产

Data Manual

Tip: Right-click the link for the item you want to save, and then click Save Target As.

Technical Index


通道 基于64 通道HumbirdTM芯片 灵敏度                    BDS          GPS
频率 BDS B1 跟踪          -160dBm    -160dBm
GPS L1 捕获          -145dBm    -147dBm
定位模式 单系统独立定位 定位精度 2.5m CEP ( 双系统水平)
多系统联合定位 <5% x 行驶距离 惯性导航,无GNSS信号
首次定位时间(TTFF) 冷启动:30s 2.0m CEP(SBAS 水平)*
热启动:1s 速度精度1 (RMS) GNSS/GPS:0.1m/s
重捕获:<1s BDS:0.2m/s
数据更新率 1Hz    
1PPS 支持    


尺寸 16.0 x 12.2 x 2.4mm 温度
工作温度   -30°C~+70°C
封装 24 引脚,SMD 表面贴装
存储温度   -40°C~+85°C


电压 2.7V ~ 3.6V DC
LNA 馈电 2.7V ~ 3.3V, <100mA
功耗2 250mW


有源天线、无源天线、D-GNSS*、A-GNSS *


1 个串口
1 x 1PPS 输出
数据接口 NMEA 0183(兼容北斗)
注:标注*部分为可选配置    1典型值,<30m/s 开阔天空    2open sky, 连续跟踪

Application Area