GA8 Core Board + Antenna 4G Module

Basic Module Specifications:

The GA8 is a small-sized, high-performance, ultra-low-power CAT1 data communication module launched by Guoyun in 2021.

The module supports LTE-FDD/LTE-TDD cellular data communication protocols, supports 3GPP R9 CAT1, and also supports VoLTE and voice services.

GA8 Frequency Band Support Table

Network Type GA8 Supported Bands

LTE-FDD Band 1 / 3 / 5 / 8

LTE-TDD Band 34 / 38 / 39 / 40 / 41

Power Consumption:

Test Item Test Condition (Test Voltage: 3.8V) Typical Value Unit

Module off current Module powered off 15 μA

Live network idle Real SIM card, connected to network 1.1 mA

Airplane mode AT+CFUN=0, USB disconnected 0.9 mA

FDD transmit CMW500, max power, 21.5~22.5 dBm 550–650 mA

TDD transmit CMW500, max power, 21.5~22.5 dBm 250–350 mA

Transmission Power:

Frequency Band Max TX Power Min TX Power

LTE-FDD B1/B3/B5/B8 23 dBm ±2 dB < -38 dBm

LTE-TDD B34/B38/B39/B40/B41 23 dBm ±2 dB < -38 dBm

Receiver Sensitivity:

Band Test Condition Minimum RX Sensitivity

LTE-FDD B1 10 MHz -98 dBm

LTE-FDD B3 10 MHz -97.5 dBm

LTE-FDD B5 10 MHz -98 dBm

LTE-FDD B8 10 MHz -98 dBm

GA8 Core Board Specifications:

Supports 5V–12V power input

Supports standard AT commands

Supports USB debugging

UART supports both 5V and 3.3V levels

Nano SIM card slot

Supports TCP and UDP protocols