N511BS radio module based TI CC1121 transceiver, designed for 169MHz, 433M, 868M, 915MHz used.
CC1121 module designed by 4-layer board. IoT, intelligent home, wireless meter reading, scientific research and medical treatment, and medium and long-distance wireless communication equipment. N511BS is suitable for free frequency band in EU and USA.
CC1121 module leads all pins out for secondary development.
ISM Frequency supported by N511BS transceiver module
169M band: 169 MHz to 170 MHz (China, EU)
433M band: 433 MHz to 435 MHz (China, EU)
470M band: 470 MHz to 480 MHz (China)
868M band: 868 MHz to 870 MHz (China, EU, USA), 888 MHz to 889 MHz (Australia)
915M band: 902 MHz to 928 MHz (USA)
RF Interface | Parameter |
Frequency | 169MHz, 433M, 868M, 915MHz |
Output Power | +15dBm |
Sensitivity | -120dBm |
Symbol Rate | 0.3-200kbps |
Deviation | +/-10kHz |
Distance | 1000m |
Hardware parameters | Value |
Size | 20 x 17 x 3mm |
Antenna Interface | RF pin |
Communication Interface | SPI |
Package | SMD |
Electrical Parameters | Typical |
Volt | 3.3V |
Emission Current | 50mA |
Receiving Current | 18mA |
Sleep current | 0.1uA |
N511BS pin function
Pin Number | function | Describe |
1 | RF | |
2 | GND | |
3 | GND | |
4 | GDIO3 | Connected to MCU IO port |
5 | RST | Connected to MCU IO port |
6 | NC | |
7 | GPIO2 | Connected to MCU IO port |
8 | MOSI | SPI |
9 | SCK | SPI |
10 | MISO | SPI |
11 | GPIO0 | Connected to MCU IO port |
12 | NSS | SPI |
13 | VCC | 1.8 - 3.6V |
14 | GND | GND |
N511CS typical application circuit
Pin Definition
Ordering information
N511BS-169M CC1121 15dBm, FSK, 160M - 175MHz
N511BS-433M CC1121 15dBm, FSK, 410M - 480MHz
N511BS-868M CC1121 15dBm, FSK, 860M - 960MHz