E104-BT20 Ebyte 2.4GHz ISM GFSK BR EDR2.1 UART wireless bluetooth transceiver bluetooth module
[IC]：RTL8760ATT
[Frequency]：2402~2480MHz
[Protocol]：V2.1
[Distance]：50m
[Size]：25*13mm
[Weight]：1.2±0.1g
[Introduction]：E104-BT20 Bluetooth serial communication module is a data transmission module based on Bluetooth Specification V2.1 BR / EDR Bluetooth protocol.The working frequency is 2.4GHz ISM, and the modulation method is GFSK. The module's maximum transmission power is 3dBm.
| Main Parameters | Value | Remarks | |
| Min. | Max | ||
| Input Voltage(V) | 0 | 3.6 | Permanent damage occurred when voltage is over 3.6V |
| Blocking Power(dBm) | - | 10 | Low chance to be damaged for short-distance transceiving |
| Working Temp.(℃) | 0°C | +85 | - |
| Main Parameters | Value | Remarks | ||
| Min. | Typical | Max | ||
| Working Voltage(V) | 3.0 | 3.3 | 3.6 | Voltage above 3.3V can guaranty Max TX power |
| Tx Electrical Level(V) | - | 3.3 | - | 5V TTL could cause permanent damage |
| Working Temp(℃) | 0℃ | - | +70℃ | - |
| Working FrequencyChannel(MHz) | 2402 | - | 2480 | Support ISM Chanel |
| TX Current(mA) | 18.5 | - | 72.6 | - |
| RX Current(mA) | 18.7 | - | 69.1 | - |
| Max TX Power(dBm) | - | 3 | - | - |
| RX Sensitivity(dBm) | - | -89 | - | - |
| Arbitrary IO(VIL/VIH) | -/1.75V | - | 1.5V/- | - |
| Arbitrary IO(VOL/VOH) | -/VCC-0.25 | - | GNG+0.25/- | - |
| Connection Current(slave module) | - | 20 | - | mA |
| Parameters | Value | Remarks |
| Reference Range | 1500m@SUB-1GHz | Conditions: Clear Sky, Antenna Gain 5dBi, Antenna Height 2.5m, Air rate 1kbps |
| 120m@2.4G | Conditions: Clear Sky, Antenna Gain 5dBi, Antenna Height 2.5m, Air rate 1Mbps | |
| TCXO Frequency | 48MHz/32.768k | High rate at 48MHz/Low Rate at 32.768k |
| Protocol | GFSK | / |
| Encapsulation | SMD | / |
| Interface Type | 1.27mm Stamp Hole | / |
| IC Model | CC1352P1F3RGZ | / |
| FLASH | 352KB | / |
| RAM | 80KB | / |
| Core | Arm ® Cortex ® -M4F | / |
| Size | 32*20mm | / |
| Antenna Interfaces | IPEX/Stamp Hole@sub-1G, PCB Antenna@2.4G | Equivalent Impedance is around 50Ω |
| Reference distance | 50m | Clear and open environment, antenna height 2.5m |
| Launch length | 300Byte | - |
| Bluetooth protocol | Bluetooth Specification V2.1+EDR | - |
| Communication Interface | UART | - |
| Packaging type | SMD | - |
| Interface method | 1.27mm | - |
| Dimensions | 13*25mm | - |
| product weight | 1.2±0.1g | - |
| Antenna interface | PCB Antenna | Equivalent impedance about 50Ω |