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Product details
| Parameters | performance | notes | |
| minimum value | Maximum value | ||
| Power supply voltage (V) | 2.5 | 3.6 | Module permanently burned out beyond 3.6V |
| Blocking power (dBm) | - | 10 | The probability of burning is relatively low when used at close range |
| Working temperature (℃) | -40 | +85 | Industrial grade |
| Parameters | performance | notes | |||
| minimum value | Typical values | Maximum value | |||
| Working voltage (V) | 2.5 | 3.3 | 3.6 | ≥ 3.3V ensures output power | |
| Communication level (V) | 3.3 | ||||
| Working temperature (C) | -40 | - | 85 | Industrial grade design | |
| Working frequency band (MHz) | 2400 | - | 2518 | Support ISM frequency band | |
| work consume |
Emission current (mA) | 50 | Instantaneous power consumption | ||
| Receiving current (mA) | 23 | ||||
| Sleep current (μ A) | - | Software shutdown, configuration mode is not sleep mode | |||
| Maximum transmission power (dBm) | 10.5 | 11 | 11. 5 | ||
| Receiving sensitivity (dBm) | -90 | The air speed is 250kbps | |||
| Air speed (bps) | Not adjustable | Software automatic optimization, automatic adaptation to baud rate | |||
| Parameters | describe | notes |
| Reference distance | 130m | Clear and open environment, antenna height of 2.5 meters, air speed of 250kbps |
| Subcontracting method | 29 Btye | Maximum length for a single transmission |
| Cache capacity | 2048 Btye | Unlimited package length |
| Modulation Type | GFSK | |
| communication interface | UART serial port | TTL level |
| Packaging method | Surface mount type | |
| Interface method | 1.27mm | |
| External dimensions | 12* 1 9mm | |
| antenna interface | PCB board mounted antenna | Equivalent impedance of approximately 500 |
| Serial Number |
Pin | Pin direction |
notes |
| 1 | M0 |
Input (extremely weak pull-up) |
Cooperate with M1 to determine the four working modes of the module (cannot be suspended, can be grounded if not used) |
| 2 | M1 |
Input (extremely weak pull-up)） |
Cooperate with M0 to determine the four working modes of the module (cannot be suspended, can be grounded if not used) |
| 3 | RXD |
input |
TTL serial input, connected to external TXD output pin. |
| 4 | TXD |
output |
TTL serial port output, connected to external RXD input pin. |
| 5 | AUX |
output |
Used to indicate the working status of the module (can be suspended) The user wakes up the external MCU and outputs a low level during the power on self-test initialization period. |
| 6 | VCC | - | Module power supply reference, voltage range: 2.5-3.6V DC |
| 7 | GND | input |
Module ground wire |
| 8 | RESET | input |
Module reset pin, low level effective |
| 9 |
NC |
Reserved feet |
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Product manual |
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| product model |
interface type | Chip Solution | Carrier frequency Hz | Transmission power dBm | Test distance in kilometers | air rate bps |
Packaging form | Product size mm | Product Features | technology manual |
sample buy |
|---|---|---|---|---|---|---|---|---|---|---|---|
| UART | - | 2.4G | 11 | - | 250k-2M | Surface mount type | 12*19mm | Automatic frequency hopping, anti-interference, high-speed series connection | |||
| UART | - | 2.4G | 11 | 130m | Adaptive baud rate | Surface mount type | 12*19mm | Full duplex, anti-interference, high-speed continuous transmission | |||
| UART | nRF24L01+ | 2.4G | 27 | 5.0 | Adaptive baud rate | Direct insertion | 21 * 36 | Full duplex, high-speed bidirectional communication | |||
| RS232 RS485 | nRF24L01+ | 2.4G | 27 | 5.0 | 250k~2M | Pressure line/DB9 | 82*62*25 | Automatic frequency hopping, automatic retransmission upon packet loss | |||
| UART | nRF24L01+ | 2.4G | 27 | 5.0 | 250k~2M | Direct insertion | 21 * 36 | Automatic frequency hopping, automatic retransmission upon packet loss | |||
| RS232 RS485 | nRF24L01+ | 2.4G | 20 | 2.0 | Adaptive baud rate | Pressure line/DB9 | 82*62*25 | Full duplex, bidirectional simultaneous transmission | |||
| RS232 RS485 | nRF24L01+ | 2.4G | 20 | 2.5 | 250k~2M | Pressure line/DB9 | 82*62*25 | Automatic frequency hopping, automatic retransmission upon packet loss | |||
| UART | nRF24L01+ | 2.4G | 20 | 2.0 | Adaptive baud rate | Direct insertion | 21 * 36 | Full duplex, high-speed bidirectional communication | |||
| UART | nRF24L01+ | 2.4G | 20 | 2.5 | 250k~2M | Direct insertion | 21 * 36 | Automatic frequency hopping, automatic retransmission upon packet loss |
-
E34-2G4H11S
Product model: E34-2G4H11S
interface type
: UART
Chip Solution
:-
Carrier frequency Hz
: 2.4G
Transmission power dBm
: eleven
Test distance in kilometers
:-
Air speed bps
-
: 250k-2M
Packaging form
: Surface mount type
Product size mm
: 12*19mm
Product features: automatic frequency hopping, anti-interference, high-speed series connection
PDF ：
buy
E34-2G4D11S
Product model: E34-2G4D11S
interface type
: UART
Chip Solution
-
:-
Carrier frequency Hz
: 2.4G
Transmission power dBm
: eleven
Test distance in kilometers
: 130m
Air speed bps
Adaptive baud rate
Packaging form
: Surface mount type
Product size mm
: 12*19mm
-
Product features: Full duplex, anti-interference, high-speed continuous transmission
PDF ：
buy
E34-2G4D27D
Product model: E34-2G4D27D
interface type
: UART
Chip Solution
: nRF24L01+
Carrier frequency Hz
: 2.4G
Transmission power dBm
: twenty-seven
-
Test distance in kilometers
: five
Air speed bps
Adaptive baud rate
Packaging form
: Direct insertion
Product size mm
: 21 * 36
Product features: Full duplex, high-speed bidirectional communication
PDF ：
buy
E34-DTU(2G4H27)
Product model: E34-DTU(2G4H27)
-
interface type
: RS232 RS485
Chip Solution
: nRF24L01+
Carrier frequency Hz
: 2.4G
Transmission power dBm
: twenty-seven
Test distance in kilometers
: five
Air speed bps
: 250k~2M
Packaging form
-
: Pressure line/DB9
Product size mm
: 82*62*25
Product features: automatic frequency hopping, automatic retransmission for lost packets
PDF ：
buy
E34-2G4H27D
Product model: E34-2G4H27D
interface type
: UART
Chip Solution
: nRF24L01+
Carrier frequency Hz
-
: 2.4G
Transmission power dBm
: twenty-seven
Test distance in kilometers
: five
Air speed bps
: 250k~2M
Packaging form
: Direct insertion
Product size mm
: 21 * 36
Product features: automatic frequency hopping, automatic retransmission for lost packets
PDF ：
-
buy
E34-DTU (2G4D20)&E34-DTU (2G4D27）
Product model: E34-DTU (2G4D20)&E34-DTU (2G4D27）
interface type
: RS232 RS485
Chip Solution
: nRF24L01+
Carrier frequency Hz
: 2.4G
Transmission power dBm
: twenty
Test distance in kilometers
: two
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