・Air Interface: LTE Cat 1
・Package: LCC+LGA
・Dimensions: 17.7 x 15.8 x 2.4 mm
・Operating Voltage: 3.3V ~ 4.6V(Typical 3.8V)
・Operating Temperature: -35°C ~ +75°C

・Air Interface: LTE Cat 1
・Package: LCC+LGA
・Dimensions: 17.7 x 15.8 x 2.4 mm
・Operating Voltage: 3.3V ~ 4.6V(Typical 3.8V)
・Operating Temperature: -35°C ~ +75°C
MC661 is a LTE Cat1 bis wireless communication module adopting LCC+LGA form factor, with the size of 17.7 x 15.8 x 2.4 mm. MC661-IN supports India frequency band. MC661 has built-in rich network protocols and integrates multiple universal interfaces, and supports a variety of driver and software functions (such as Linux/Android/Windows and other mainstream operating systems) to meet the demands of various applications in the IoT industry. MC661 is perfectly suitable for low and mid-speed IoT scenarios, such as tracker, universal payment, sharing, industrial interconnection, security monitoring, BMS, vehicle, etc., providing customers with reliable connectivity and robust security.
| Air Interface | LTE Cat 1 | |
| Package | LCC+LGA | |
| Dimension (mm) | 17.7 x 15.8 x 2.4 | |
| Frequency Bands |
-CN (China) |
LTE FDD: B1/3/5/8 LTE TDD: B34/38/39/40/41 |
|
-IN (India) |
LTE FDD: B1/3/5/8 LTE TDD: B34/38/39/40/41 |
|
| Power Supply | 3.3V ~ 4.6V(Typical 3.8V) | |
| Operating Temp. | -35°C ~ +75°C | |
| LTE FDD (Mbps) | 10.3(DL)/5.1(UL) | |
| LTE TDD (Mbps) | 9.1(DL)/3.1 (UL) | |
| DC-HSPA+(Mbps) | NA | |
| HSPA/HSPA+(Mbps) | NA | |
| WCDMA(Kbps) | NA | |
| TD-SCDMA (Mbps) | NA | |
| EVDO(Mbps) | NA | |
| CDMA2000 1X(Kbps) | NA | |
| EDGE(Kbps) | NA | |
| GPRS(Kbps) | NA | |
| Wi-Fi scan | Optioncal | |
| Bluetooth | NA | |
| SIM | ⦁ | |
| eSIM | NA | |
| eCALL | NA | |
| OpenCPU | Optional | |
| MUX | ⦁ | |
| Dual SIM | Optional | |
| Jamming Detection | NA | |
| USSD | Optional | |
| STK | ⦁ | |
| LBS | ⦁ | |
| FOTA | DFOTA | |
| OS Drivers | Linux/Windows/Android | |
| GNSS | NA | |
| VOLTE | Optional | |
| CSD | NA | |
| TTS | Optional | |
| SMS | SMS/SGs/IMS | |
| Audio | NA | |
| Voice Code | Optional | |
| Audio Play/Record | Optional | |
| Protocols |
TCP/UDP/HTTP(S)/FTP(S)/HeartBeat/ MQTT/SSL/TLS/ECLOUD/IPV6 |
|
| SIM | x 2, 1.8V/3.0V | |
| USB | x 1, USB2.0 | |
| PCIe | NA | |
| UART | x 2 | |
| SPI | ⦁ | |
| ADC | x 2 | |
| GPIO | ⦁ | |
| Regulation | RoHS/SRRC/CCC/NAL | |
| Operator | CTCC/CMCC | |
| Industry | NA | |