[Introduction]：E104-BT5011A is a serial to BLE Bluetooth master-slave integrated module based on Bluetooth protocol version 5.1. It is small in size and low in power consumption. It works in the 2.4GHz frequency band.
[IC]：nRF52811
[Frequency]：2.402~2.480GHz
[Protocol]：BLE5.1
[Distance]：70m
[Size]：11.5*16mm
[Weight]：0.8±0.1g
| Limit Parameters | Min | Max | Note |
|---|---|---|---|
| Voltage supply [V] | 0 | 3.6 | Voltage over 3.6V will cause permanent damage to module |
| Blocking power [dBm] | - | 10 | Chances of burn is slim when modules areused in short distance |
| Operating temperature[℃] | -40 | +85 | Industrial grade |
| Operating parameter | Min | Typ | Max | Remarks |
|---|---|---|---|---|
| Voltage supply [V] | 1.7 | 3.3 | 3.6 | ≥3.3 V ensures output power |
| Communication level(V) | - | 3.3 | - | For 5V TTL, it may be at risk of burning down |
| Operating temperature(℃) | -40 | - | +85 | Industrial design |
| Frequency [MHz] | 2402 | - | 2480 | Support ISM band |
| Transmitting current(mA) | - | 13 | 19 | - |
| Receivingcurrent(mA) | - | 13 | - | - |
| Sleep current(μA) | - | 8 | - | - |
| Maximum transmitting power(dBm) | - | 3.8 | 4 | - |
| Receiving sensitivity(dBm) | - | -96 | - | Bluetooth®lowenergy mode |
| Arbitrary I/O | VIL/VIH | GND/0.84 | GND/VCC | 0.36/VCC |
| VOL/VOH | GND/1.88 | GND/VCC | 0.47/VCC | |
| Sleep broadcast current(default) | - | 13.83 | - | Unit: uA. Broadcast gap is 1s |
| Sleep connection current(default) | - | 6.89 | - | Unit: uA. Broadcast gap is 1s |
| Main parameter | Description | Remarks |
|---|---|---|
| Distance | 70m | Test condition:Clear and open environment, height 2.0 meters; @4dBm; air speed: 1Mbps |
| BLE protocol | BLE5.1 | - |
| Communication interface | UART | - |
| Package | SMD | - |
| Connector | 1.27 mm | - |
| Size | 11.6*16mm | - |
| Antenna | Ceramic antenna | 50Ω Impedance |
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