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GAT562 Solar EVB – 22dBm MPPT

SKU: GATSEVB Categories: Lora Node, Lora
Brand: MTools Tec

Original price was: $25.99.Current price is: $21.99.

This is a Solar nRF52840 SX1262 EVB with smart battery management.

Package include: EVB x1, Bluetooth FPC antenna x1, IPEX to SMA cable x1

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GAT562 Solar EVB is based on customized PCB and GAT562 Module.

Key Features

Built-in LoRa and Bluetooth IPEX connector
Smart power manage depending on the voltage of battery 3.6V(Around 70%)
Auto power off when battery level is less than 3.0V.

GTA562 Lora Node Module is a module based on the nRF52840 and SX1262, supporting both Bluetooth and LoRa communication modes.

GAT562 PIN Definition

NO	Name	Type	Description
1	VBUS	Input	DC 5V power supply
2	USB_D-	Input/Output	USB data interface
3	USB_D+	Input/Output	USB data interface
4	GND	—	Ground
5	VBAT_NRF	Input/Output	Battery power supply
6	I2C_SDA	Input/Output	I2C (SDA) P0.13
7	I2C_SCL	Input/Output	I2C (SCL) P0.14
8	GND	—	Ground
9	UART2_RX	Input	UART2 interface P0.15
10	UART2_TX	Output	UART2 interface P0.16
11	UART2_DE	Input/Output	UART DE interface P0.17
12	NRF_RST	Input	Reset pin
13	VDD_NRF	Input/Output	DC 3V3 power supply (output when powered by 5V/VBAT)
14	GND	—	Ground
15	UART1_TX	Output	UART1 interface P0.19
16	UART1_RX	Input	UART1 interface P0.20
17	UART1_DE	Input/Output	UART2 interface P0.21
18	SWDIO	Input/Output	SWD debug pin (SWDIO)
19	SWCLK	Input/Output	SWD debug pin (SWCLK)
20	GND	—	Ground
21	VBAT_SX	Input	DC 3V3 power supply
22	I2C_SDA2	Input/Output	I2C (SDA) P0.24
23	I2C_SCL2	Input/Output	I2C (SCL) P0.25
24	SW1	Output	GPIO P1.01
25	SW2	Output	GPIO P1.02
26	LED1	Output	GPIO P1.03
27	LED2	Output	GPIO P1.04
28	NFC1	Output	NFC/GPIO P0.09
29	NFC2	Output	NFC/GPIO P0.10
30	QSPI_CLK	Input/Output	SPI interface/GPIO P0.03
31	QSPI_DIO3	Input/Output	SPI interface/GPIO P0.02
32	QSPI_DIO1	Input/Output	SPI interface/GPIO P0.29
33	P0.31/AIN7	Input	ADC interface/GPIO P0.31
34	QSPI_DIO0	Input/Output	SPI interface/GPIO P0.30
35	QSPI_DIO2	Input/Output	SPI interface/GPIO P0.28
36	P0.05/AIN3	Input	ADC interface/GPIO P0.05
37	P0.04/AIN2	Input	ADC interface/GPIO P0.04
38	QSPI_CS	Input/Output	SPI interface/GPIO P0.26
39	GND	—	Ground
40	LoRa RF	Output	RF port (for models without IPEX connector)

Radio Specification

Characteristic	Status	MIN	TYP	MAX	UNIT
RF Transmission	RF Transmission	–	14	20	dBm
Receiver Sensitivity	RSSI	-130	–	–	dBm
Receiver Sensitivity	SNR	-15	–	–	dB
Power Consumption	TX mode	130 (14dBm)	–	–	mA
	RX mode	7.2	–	–	mA
	Sleep mode	7.2	–	–	μA

How to upgrade firmware

GAT562 Solar Relay comes with advanced bootloader. You can upgrade Meshtastic or MeshCore Repeater in MTools BLE within 2mins.

For the moment on MeshCore Repeater, use Rak4631 for competible.

OTA process does not wipe the data on device.

Application Example

FAQ

Q: How to config MeshCore Repeater on GAT562 Solar Relay at first time.
A: You need to flash the device to MeshCore Repeater then connect it to PC and wiring V, D+, D-, GND to a USB cable. Then config it on https://flasher.meshcore.co.uk/.
Q: How to upgrade firmware on GAT562 Solar Relay?
A: Use MTools BLE App recommanded or use Drag and Drop with uf2 firmware.
Q: What’s the input voltage of S+ and S-?
A: It’s 4.5V to 5.5V.
Q: Does GAT562 Solar Relay as MPPT?
A: Nope, but it has the power management chip to improve low voltage power-on control at 3.3V.

Weight	0.002 kg
Dimensions	2.65 × 1.8 × 0.3 cm
Weight	0.002 kg	Dimensions	2.65 × 1.8 × 0.3 cm

Specifications

Working Frequency	EU868, US915
MCU	nRF52840
Working Frequency	EU868, US915	MCU	nRF52840

Environmental Performance

Working Temperature	-40°C to 85°C
Working Temperature	-40°C to 85°C

Weight	0.002 kg
Dimensions	2.65 × 1.8 × 0.3 cm
Working Frequency	EU868, US915
MCU	nRF52840
Working Temperature	-40°C to 85°C

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