JDY-21 Ultra Low Power Bluetooth Module Bluetooth 4.2 Ultra Low Power Module Two IPX BLE Module
JDY-21 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, adopts imported original chip design, supports users to modify equipment through AT command Name, baud rate and other instructions, convenient and fast to use flexible.
3.1The module parameters
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JDY-21Product Parameters |
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Model |
JDY-21 |
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work frequency band |
2.4G |
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Transmission power |
4db(The maximum) |
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Communication Interface |
UART |
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Working voltage |
1.8V – 3.6V |
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Operating temperature |
-40℃ - 80℃ |
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Antenna |
The built-inPCBAntenna |
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The reception sensitivity |
-97dbm |
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Transmission distance |
80M |
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Master-slave support |
From the machine |
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Module size |
19.6 * 14.94 *1.8 mm(Length * width * height) |
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Bluetooth version |
BLE 4.2(CompatibleBLE4.0,BLE4.1) |
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The wake-up state Current |
500uA(Broadcast) |
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Light sleep-state Current |
<50uA (Broadcast) |
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Deep sleep current |
3uA (Non-broadcast) |
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Instruction parameter is saved |
Parameter configuration power-down data is saved |
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STMWelding temperature |
<260℃ |