MEK-D8945AL is a LoRaWANTM evaluation kit based on Maxiit’s LoRa module DL7812/DL7612 and FT232 chipset. It integrated with the newest version LoRa protocol LoRaWAN 1.1 and LoRaWAN 1.0.2, support AT command control and secondary development on MCU. Support USB to Serial port, drive-free, adds LoRa connectivity to any windows, Linux or IOS operating systems. It lets IoT (Internet of Things) integrators, network testers, and hobbyists get connected to LoRa® networks faster, diagnose network issues more easily, and build new and exciting connected devices.
Features
-
USB – USB 2.0 port, Plug and Play
- Compliance to LoRaWAN™, Support lorawan1.0.2, 1.0.3 or 1.1 protocol, Class A/B/C
- Support AT command control and secondary development on MCU
- Use more stable SWD debug interface, SPI, GPIO interface reserved
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LoRa Connectivity
Maxiiot DL7612 – Support EU868MHz/US915MHz/AS923MHz
Maxiiot DL7812 – Support EU433MHz/CN470MHz
Receiver Sensitivity – down to -139 dBm
TX Power-adjustable up to +18.6 dBm
Range – Effective communication range 3~5 km - 3x user LEDs( Tx LED, Rx LED, Power LED)
- Dimensions – 64mm*23mm*12mm(with Pin Header)
- Support Windows, Linux, and IOS operating systems
Interface
Downloads
LoRaWAN1.0.2 LoRaWAN1.1Operation guide
1. Connect the EVK with Pigtail cable and rubber antenna, Insert the LoRa EVK into your computer and install FT232RL driver.
2. Open the serial debugging tool for AT Command operation
(Pls take reference to document《DL761X&DL781X-AT-CMD-V1.7》, Baud Rate:115200; Byte Size:8 ;Praity: None ;Data Flow Control: None)
Ordering information
The development kit contains :- 1* EVK (Support secondary development)
- 1* LoRa rubber antenna
- 1* ipex/u.fl to SMA RF pigtail cable
Item | Description(MEK-D8945AL EVK) |
Module | DL7812/DL7612 |
Working environment | Indoor, outdoor |
LoRaWAN version | LoRaWAN V1.0.2、V1.1 |
LoRa activation method | ABP/OTAA |
Interface | USB\I2C\GPIO\SPI |
Dimensions | 64*23*12mm(with Pin Header) |
Power consumption | TBD |
Working temperature | -40~+85 |
LoRa Module Specification
Technical Specification | |
Module Name | DL7612/DL7812 |
Product Description | LoRa Wireless Module |
Package | LCC Type |
Host Interface | UART |
RF Transceiver | SX1276/SX1278 |
Dimensions | TYP.22.0*15.0*2.7mm (W*L*H) |
Electric Specification | |
Frequency | 863~928MHz,Optional/433~510MHz , Optional |
Band Width | 62.5~500KHz |
Tx Power | +18.6dBm |
Receive Sensitivity | Down to -139dBm |
Link Budget | Up to 157.6dB |
Operation Conditions | |
Supply Voltage | +3.3V |
Average Tx Current | ≤120mA |
Average Rx Current | ≤25mA |
Sleeping Current | ≤1uA |
Sleeping Period | More than 2S, optional |
Operating Period | More than 3S, Optional |
Operating Temperature | -40~+85°C(Industrial Grade) |
Storage Temperature | -40~+125°C |
Humidity | Operating:10%~90% |
WAN Protocol | ISM Band-LoRaTM |
ESD | JEDEC.JS-001, Standard ±1kV, Class 2 |