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Product Introduction

CFB-106 is an LTE Cat1 multimode wireless communication module that supports a maximum downlink rate of 10Mbps and a maximum uplink rate of 5Mbps. Compact in size, fully functional, and cost-effective.
CFB-106 supports data transmission protocols such as TCP/UDP/FTP */HTTP/HTTPS */MQTT, as well as 3GPP standard AT instructions and enhanced AT extension instructions. With rich peripheral interfaces, it can be connected and used with numerous terminal devices and sensors, meeting the application needs of the Internet of Things. It is widely used in fields such as mobile payments, smart homes, security monitoring, intelligent meter reading, environmental monitoring, asset tracking, and shared devices.
The CFB-106 module is a chip mounted module packaged in LCC+LGA, with a total of 9 pins. The size is only 17.7mmX15.8mmX2.4mm.

Product specifications

wireless spectrum	LTE-FDD：B1/B3/B5/B8 LTE-TDD：B34/B38/B39/B40/B41
Transmitting power	Class 3 (23dBm±2dB) for LTE-FDD bands Class 3 (23dBm±2dB) for LTE-TDD bands
network protocol	IPV4/IPV6/TCP/UDP/MQTT/HTTP/HTTPS/PPP/FTP/SSL/NITZ/SMTP *, etc Support for PAP and CHAP protocols
(U) SIM card interface	Supports dual USIM/SIM cards: 1.8V/3.0V
PCM interface	External Codec chip: Support from mode Supports short frame mode Supports 16 bit linear encoding format
USB interface	Compatible with USB2.0 (only supports slave mode), with data transmission up to 480Mbps Used for AT command transmission, data transmission, firmware debugging, and firmware upgrade USB virtual serial port driver, supporting Linux 2.6-5.4, Windows 7/8/10 and other ope-rating systems*
Function button interface	Power on/off, reset interface
Location	Supports Wi Fi Scan positioning and shares antenna with 4G LTE
software upgrading	Can be upgraded through USB or FOTA
physical property	Size: 17.7 (L) x15.8 (W) ± 0.10mm Weight: approximately 2.0g The devices comply with EU RoHS standards Thickness: 2.4 (H) ± 0.2mm
Input working voltage	VBAT power supply voltage range: 3.3V~4.5V; Typical power supply voltage: 3.8V
LTE Cat1 Features (Affected by network side)	Supports 1.4/3/5/10/15/20MHz RF bandwidth LTE-FDD: Maximum downlink rate 10Mbps, maximum uplink rate 5Mbps LTE-TDD: Maximum downlink rate 8Mbps, maximum uplink rate 3Mbps
Short Message (SMS)	Text and PDU mode Peer to peer SMS sending and receiving SMS community broadcasting SMS short message storage: (U) SIM card
I2C interface	Supports standard mode with a maximum speed of 100Kbps, and can reach 400Kbps in high- speed mode
UART interface	AT serial port (MAIN_UART) Used for AT commands and LTE data transmission The maximum baud rate is 921600bps, with a default of 115200bps Support RTS and CTS hardware flow control Debug serial port (DBG_UART) Used for software debugging to output partial logs Baud rate: 115200bps
AT command	Commands that comply with the definitions of 3GPP TS 27.007 and 3GPP TS 27.005 Enhanced AT Command
antenna interface	4G LTE antenna (ANT.MAIN) 50 Ω RF characteristic impedance
Network indication	NET_ MODE and NET_ Status indicates the registered network status
temperature range	Working temperature range: -35 ℃~75 ℃ Expanded working temperature: -40 ℃~85 ℃ Storage temperature: -45 ℃~90 ℃