Features
The A7670E Cat-1 HAT is an LTE Cat-1 module, which supports wireless communication modes including LTE-TDD, LTE-FDD, GSM, GPRS and EDGE, with up to 10Mbps downlink rate and 5Mbps uplink rate. It supports Windows/Linux operating systems and multiple network protocols. The module size is the same as SIM7000/SIM7070 series, and the AT commands is mostly compatible with SIM7600 series. It is suitable for IoT applications like remote information processing, monitoring devices, POS, industrial routers, remote diagnosis, and so on.

1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
2. Support protocols including TCP/IP, HTTP(s), MQTT(s), FTP(s), and SSL
3. Support dial-up, telephone call, SMS
4. Support LBS base station positioning, it is able to get the approximate position info via mobile network
5. TTS (Text To Speech) feature, texts in Chinese/English can be converted into spoken words
6. Onboard USB interface, for testing AT Commands, network communication, and so on
7. Onboard audio jack for sound recording, making telephone call, listening the TTS resulting speech, etc.
8. Breakout common used control pins of the A7670X module, make it easy to connect with hosts boards like Arduino/STM32
9. SIM card slot, supports 1.8V/3V SIM card
10. 2x LED indicators, easy to monitor the operating status
11. Onboard voltage translator, operating voltage can be configured to 3.3V or 5V via jumper
12. Come with development resources and manual (examples for Raspberry Pi/Arduino/STM32)

Specification
Frequency band
1. LTE Cat-1: LTE-FDD: B1, B3, B5, B7, B8, B20
2. 2G: GSM/GPRS/EDGE: 900/1800 MHz
SMS and audio
1. SMS: Supported types: MT, MO, CB, Text, PDU
2. Storage: USIM card (CB could not be stored on SIM card)
3. Audio feature: Standard 3.5mm audio jack for audio input/output
Others
1. Power supply: 5V
2. Operating voltage:5V / 3.3V (configured via jumper)
3. Operating temperature: -30 degree C ~ 80degree C
4. Storage temperature: -45 degree C ~ 90 degree C
5. Dimensions: 65 x 30.5mm

Package List
1. A7670E Cat-1 HAT x 1
2. LTE Antenna x 1
3. USB-A to USB-C cable x 1
4. RPi screws pack x 1