JDY-19 transparent transmission module is based on bluetooth 4.2 protocol standard, working frequency range is 2.4GHZ range, modulation mode is GFSK, maximum transmission power is 4db, maximum transmission distance is 40 meters, supports users to modify equipment through AT command instructions such as name and baud rate are convenient and quick to use. The JDY-19 bluetooth module can quickly use for product application through simple configuration.

Overview:

• Model: JDY-19
• Working voltage:1.8V – 3.6V
• UART Communication
• Transmission Distance:40 meters

Features:

• Model: JDY-19
• bluetooth version: BLE 4.2 (compatible with BLE4.0, BLE4.1)
• Antenna: Built-in PCB antenna
• Working frequency band: 2.4G
• Transmission distance: 40 meters
• modulation mode is GFSK
• Master and slave support: Master

Specifications:

• Transmit power: 4db (maximum)
• Communication interface: UART
• Operating voltage: 1.8V – 3.6V
• Operating temperature: -40 ° C - 80 ° C
• Receive sensitivity: -97dbm
• Awakening state current: 500uA (with broadcast)
• Light sleep state current: <50uA (with broadcast)
• Deep sleep current: 3uA (no broadcast)
• Instruction parameter saving: Parameter configuration power-down data is saved
• STM soldering temperature: <260°C
• Module size: 19.6 * 14.94 * 1.8 mm 

Pinouts:

• VCC: Power supply (1.8-3.6V)
• NULL: None
• ADC: ADC pin
• NULL: None
• IO6: GPIO or PWM1
• STAT: Connect status pin, which has been connected to high level,unconnected to low level
• IO5: GPIO or PWM2
• IO4: GPIO or PWM3
• IO1: GPIO or PWM4
•  IO2: GPIO
• NULL: None
• NULL: None
• IO3: GPIO
• IO7: GPIO
•  IO8: GPIO
•  IO9: GPIO
• ALED: Broadcast indicator pin
• INT1: Button interrupts the input pin (key value is uploaded to APP)
• TXD: Serial port output pin (TTL level)
• RXD: Serial port input pin (TTL level)
• INT2: Button interrupts the input pin (key value is uploaded to APP)
• PWRC: Sleep wake-up pin, low level effectiveUnder connection state, the AT instruction can be sent throughlower the PWRC pin, such as AT+DISC disconnect.
• RST: Soft reset pin, low level effective
• GND: Power ground

Package Includes:

• 1 x JDY-19 transparent transmission module

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