RF-43UH
Shenzhen RF-star Technology Co., Ltd.
Page 7 of 35
2 Module Configuration and Functions
2.1 Module Parameters
Table 1. Parameters of RF-43UH
Chipset
Semtech SX1278
Supply Power Voltage
3.3 V ~ 5.2 V, recommended to 5.0 V
UART Communication Level
2.5 V ~ 3.6 V, typical: 3.3 V
Frequency
410 MHz ~ 525 MHz, typical: 433 MHz
Transmit Power
+21.0 dBm ~ +30.0 dBm
Receiving Sensitivity
-149 dBm
Number of Channels
116
Default Channel
23 (433 MHz)
Module Address Number
65536 (default as 0)
Crystal
32 MHz
Package
SMT Packaging
Dimension
40.3 mm x 25.0 mm x (2.5 ± 0.1) mm
Antenna
Half-hole interface / IPEX connector
Operating Humidity
10% RH ~ 90% RH (no condensation)
Storage Humidity
10% RH ~ 90% RH (no condensation)
Operating Temperature
-40
℃
～
+85
℃
Storage Temperature
-45
℃
～
+90
℃
Data Interface Rate @ 3.3 V (TTL)
1200 bps ~ 115200 bps, typical: 9600 bps
Air Rate
0.3 kbps ~ 19.2 kbps (typical: 2.4 kbps)
Single Package Size
196 byte
Cache Size
512 byte
Transmission Distance
8000 m (Test conditions: sunny weather, empty, +30 dBm, antenna gain of
5 dBi, height of above 2.5 m, air speed of 2.4 kbps)
Operating
Current @ 5 V
Tx Current
499 mA
Rx Current
16 mA
Sleep Current
8.2 μA