RF-star ASR6501 433 MHz LoraWAN LinkWAN UART Lora module
RF-AL42UH is a LoRa wireless module based on ASR Microelectronics ASR6501 with a 32-bit ARM® Cortex®-M0+ processor at 48 MHz. It integrates LoRa Radio Transceiver, LoRa Modem. It features ultra-low power consumption, ultra-long transmission distance, high power density, high sensitivity, strong confidentiality, good anti-interference performance and rigid reliability. It supports a wide coverage frequency of LoRa Radio Transceiver from 410 MHz to 525 MHz, LPWAN and (G)FSK LoRa modulation, and LoRaWAN protocol. 1.27-mm pitch stamp stick package for easy assembling and cost-effective PCB design.
Parameters of RF-AL42UH
Item | Min. | Typ. | Max. | Unit |
Frequency | 410 | 433 | 525 | MHz |
TX power |
|
| +22 | dBm |
Receiving Sensitivity | -140 |
| +10 | dBm |
Operating Voltage | 2.8 | 3.3 | 3.6 | V |
Operating Current (3.3 V) | TX Current | 47 @ +5 dBm | 59 @ +10 dBm | 108 @ +22 dBm | mA |
RX Current |
| 10 |
| mA |
Sleep Current |
| 3.2 |
| mA |
Air Rate | LoRa |
|
| 62.5 | kbps |
(G)FSK |
|
| 300 | kbps |
Operating Temperature | -40 |
| +85 | ℃ |
Storage Temperature | -55 |
| +120 | ℃ |
Operating Humidity | 10% RH |
| 90% RH |
|
Storage Humidity | 10% RH |
| 90% RH |
|
Dimension | 16.0 ´ 16.0 ´ 2.7 | mm |
Transmission Distance | 7000 (Test condition: Sunny weather, open air, +22 dBm TX power, antenna gain 5 dBi, height greater than 2.5 m, air rate 2.4 kbps) | m |
Class | A / B / C |
Flash | 128 KB |
SRAM | 16 KB |
Packaging | SMT Packaging |
Antenna | Half hole |
Recommended Footprint
Pin Attributes
Pin Functions of RF-AL42UH
Pin | Name | Pin Type | Description |
1 | GND | - | Ground |
2 | VDD | - | Power supply: 2.8 V ~ 3.6 V DC |
3 | ADC_IN | I | ADC input pin, programming is not enabled. NC |
4 | GPIO | I/O | MCU GPIO, NC |
5 | AUX | I/O | MCU GPIO, NC |
6 | SETA | I/O | MCU GPIO, NC |
7 | RXD | I/O | UART RX pin |
8 | TXD | I/O | UART TX pin |
9 | SWD | I/O | SWD DATA |
10 | SCLK | I/O | SWD CLK |
11 | SCL | I/O | I2C, programming is not enabled. NC |
12 | SDA | I/O | I2C, programming is not enabled. NC |
13 | SETB | I/O | MCU GPIO, NC |
14 | CTS | I/O | NC |
15 | RTS | I/O | NC |
16 | RESET | I/O | Reset |
17 | GND | - | Ground |
18 | RF | RF | Antenna interface |
