[Chip solution]：CC2340R5
[Carrier frequency]：2.4GHz
[Transmission power]：8dBm
[Communication distance]：170m
[Product size]：10*14.5mm
[Introduction]：E104-BT55SP is a small-sized, low-power Bluetooth module based on Bluetooth protocol version 5.3, working in the 2.4GHz frequency band. The E104-BT55SP module is developed by Ebyte based on the CC2340R5 chip of Texas Instruments (TI). The Bluetooth module has a 48-MHz Arm® Cortex®-M0+ processor, an integrated balanced-unbalanced transformer, and UART, I2C, SPI, ADC , DMA, PWM and other rich peripheral resources, and at the same time lead out all IO ports, which is convenient for users to carry out multi-directional development. The maximum supported baud rate is 3Mbps.
| Main parameters | Description | Remark |
| Reference distance | 170m | Clear and open environment, height 2.0 meters, @8dBm, airspeed 1Mbps |
| Bluetooth protocol | BLE5. 3 | - |
| Communication Interface | I/O | - |
| Packaging method | SMD | - |
| Dimensions | 14. 5*10mm | - |
| RF interface | PCB | Equivalent impedance is about 50 Q |
| Product weight | 0. 5g | ±0. 1g |
| Main parameters | Performance | Remark | |
| Min | Max | ||
| Supply voltage (V) | 1.7 | 3.8 | Exceeding 3. 8V will permanently burn the module |
| Blocking power (dBm) | - | 10 | The probability of burning at close range is SMDH |
| Working temperature (eC) | -40 | +85 | Industrial grade |
| Main parameters | Performance | Remark | |||
| Min | Type | Max | |||
| Normal voltage mode | 1. 7 | 3.3 | 3.8 | N3. 3V can guarantee output power | |
| Communication level (V) | - | 3.3 | - | Risk of burnout with 5V TTL | |
| Working frequency band (MHz) | 2402 | - | 2480 | Supports ISM bands | |
| Transmit power (dBm) | -20 | 0 | 8 | dBm | |
| Power consumption | Receive Sensitivity (dBm) | 一 | -96 | - | Air rate is 1Mbps |
| Emission current (mA) | - | 11 | - | 60 dBm | |
| Receive current (mA) | - | 10 | - | - | |
| Sleep current (uA) | 一 | 1 | - | Default parameters | |
| Low power consumption current (uA) | - | 6 | - | TX=0dBm interval Is | |
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