User's Manual
Table Of Contents
- 1.Product Introduction
- 2.Function description
- 3. AT command instructions
- 3.1.Basic AT commands
- 3.2.WI-FI related AT commands
- 3.3.TCP/IP Related AT commands
- 3.3.8.Set the framing length of the serial port：at+uartp
- 3.3.9.Set the framing time of the serial port：at+uartpac
- 3.4.BLE related AT commands
- 3.5.Custom message prompt instruction
- Note：This type of command does not have a message
- The maximum length supports 30 bytes. Do not inclu
- 4.AT command control code example
- 5.Bluetooth distribution network and data transparen
- 6.Module power consumption measured data
- 7.Appendix A Document Revision History
User Manual
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HLK-B35
QSPI Flash Instant AES Decryption (OTFAD)-AES-128, CTR mode
Support AES 128/192/256 bit encryption engine, true random number generator (TRNG), public key
accelerator (PKA)
Widely used in the Internet of Things
1.3. Performance and electrical parameters
Table 1 Performance and electrical parameters
Module
Model HLK-B35
encapsulation In-line
WiFi
Parameters
Wireless
standard
IEEE 802.11 b/g/n
Low energy consumption 5.0: supports BLE 5.0 channel
selection #2, does not support 2M PHY/ADV extension
Up to 40～100m in open environment
Frequency Range 2.412GHz-2.462GHz
Average power
802.11b: 16.48dBm (@11Mbps)
802.11g: 14.54dBm (@54Mbps)
802.11n: 13.78dBm (@HT20),HT40(10.69dBm)
Receiving
sensitivity
11g - 6Mbps： -93 dBm
11g - 54Mbps： -77 dBm
11n - MCS0： -93 dBm
Antenna form
External: I-PEX connector
Built-in: Built-in PCB antenna
Bluetooth
parameter
Frequency Range 2402～2480MHz
Average power -8.4dBm Typical value: 9dBm
Receiving
sensitivity
-97dBm
hardware
parameter
Hardware
interface
1*SPI主/从，2*UART，5*PWM，16*GPIO，1*IIC主/从，
1*SDIO2.0从
Operating DC 2.1~3.63V Typical value 3.3V