01 — 2G GSM/GPRS Connectivity
Supports dual-band or quad-band GSM networks with GPRS Class 10 data transmission.

02 — Industrial RS232 Interface
Enables reliable serial communication with industrial controllers and M2M devices.

03 — Wide Voltage Input
Supports 8–30V DC power supply for industrial applications.

04 — TCP/IP Support
Integrated TCP/IP stack with standard AT command control.

05 — Wide Temperature Range
Normal operating temperature from -30°C to +85°C.

06 — Compact Industrial Design
Compact 80 × 55 × 23 mm housing with flexible mounting options.

KEY FEATURES

01 Industrial Aluminum Casing For stable industrial field deployment
02 Dual RS232 + Mini‑USB Interfaces Connect to industrial host devices conveniently
03 3G HSDPA & Quad‑Band 2G Support UMTS/HSDPA and GSM/GPRS/EDGE fallback
04 Built‑in TCP/IP Protocol Stack Realize wireless internet access
05 Complete SMS & Voice Function Support SMS text/PDU mode, voice and MMS service
06 AT Command Controlled Flexible configuration and debugging
07 Wide Operating Temperature Range ‑20℃ ~ +55℃ for harsh environment
08 Multi‑OS Compatibility Windows / Linux / Vista / Mac / IOS
09 Standard SMA Antenna Connector Easy for external antenna installation

KEY FEATURES

01 GSM Modem
M1306B GSM modem solution.

02 Optional USB Interface
USB interface available as an option.

03 Optional RS232 Interface
RS232 serial interface available as an option.

04 Flexible Interface Selection
Choose USB or RS232 according to the required configuration.

KEY FEATURES

01 Quad-Band GSM/GPRS  850 / 900 / 1800 / 1900 MHz

02 RS232 Serial Communication  V.24 / V.28 interface support

03 Wide Voltage Input  8–30 V DC

04 Industrial Temperature Range  -30°C to +75°C

05 AT Command Control  Flexible modem configuration

06 Compact Industrial Design  65 × 74 × 33 mm · 130 g

KEY FEATURES

01 4G LTE Connectivity
Based on the SIMCom SIM7600G module, supporting LTE Cat 1 data rates up to 150 Mbps download and 50 Mbps upload as specified in the datasheet.

02 RS232 + USB Interfaces
Supports RS232 and USB connectivity for flexible integration with industrial equipment.

03 Wide Voltage Input
Supports a 7.5–24 V DC input voltage range.

04 Industrial Temperature Range
Operates in temperatures from -30°C to +80°C.

05 Integrated GPS / GNSS
Supports GPS and GLONASS positioning, with GNSS data output in NMEA-0183 format.

06 Compact Aluminum Design
Features an aluminum casing and compact dimensions of 85 × 54 × 25 mm, weighing approximately 100 g.

SIM7600G‑HR is an industrial‑grade 4G LTE modem with aluminum housing and dual RS232 + USB interfaces. Built around SIMCom SIM7600G‑H module, it supports 4G LTE‑FDD, 3G WCDMA and 2G GSM/GPRS/EDGE, supporting internet access, data transmission, SMS and built‑in GNSS positioning for global IoT wireless applications.

Baiyi-A7670E is an industrial-grade 4G LTE Cat.1 modem featuring an aluminum casing and RS232 + USB interfaces. Based on the SIMCom A7670E module, it supports LTE-FDD, GSM, GPRS and EDGE, providing reliable connectivity for Internet, data and SMS services.

Baiyi-A8230E is an industrial-grade 5G modem featuring an aluminum casing and RS232 + USB interfaces. Based on the SIMCom A8230E module, it supports 5G NR SA and multiple LTE frequency bands, providing reliable connectivity for Internet, data and SMS services.