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M5Stack NB-IoT2 Global Version SIM7028 IoT Wireless Communication Module for Global Cat-NB Frequency Bands
Description:
- Unit NB-IoT2 is a wireless communication module suitable for global Cat-NB frequency bands. It features an integrated SIM7028 communication module, utilizing serial communication (controlled via AT commands) and incorporating an SMA external antenna interface to significantly enhance device communication quality and signal stability. The SIM7028 module supports multi-band NB-IoT network connections, ensuring broad applicability worldwide. Designed specifically for low-latency and low-throughput applications, the SIM7028 module boasts excellent power management capabilities, making it ideal for long-term operation. It is well-suited for IoT applications such as smart metering, remote control, asset tracking, remote monitoring, telemedicine, and bike-sharing.
Features:
- Global version / Multi-band support
- Strong signal reception capability
- AT command control
- SIM card type: Nano
- External antenna: SMA interface
- Serial communication: UART 115200bps
- Cat-NB frequency bands: B1/B2/B3/B4/B5/B8/B12/B13/B14/B17/B18/B19/B20/B25/B26/B28/B66/B70/B85
- Data transmission (kbps): 127 (DL) / 159 (UL)
- Network protocols: for TCP/UDP/HTTP/TLS/DTLS/DNS/NTP/PING/LWM2M/COAP/MQTT/MQTTS/SSL
Certification:
- Wireless and Communication Equipment Certifications: for SRRC, NAL, CE-RED, GCF, CCC
- Safety and Environmental Certifications: for CCC, RoHS, REACH
- Carrier Certifications: for Deutsche Telekom, Vodafone, Telefonica, China Telecom, China Mobile, China Unicom
Applications:
- Remote control
- Asset tracking
- Remote monitoring
- Bike sharing
Difference:
- The main differences between SIM7028 and SIM7020G are frequency band support and data transfer rates. The SIM7028 supports more frequency bands and slightly higher data rates, making it suitable for more markets and applications with higher bandwidth requirements. Although SIM7020G has slightly less frequency band support, it also covers most of the market and is suitable for general IoT applications. The two are similar in network protocols and functional features, as well as extensive international and carrier certifications.
Package Included:
- 1 x Wireless Communication Module
- 1 x SMA Antenna
- 1 x Hex Key
- 1 x Grove Cable
