EA01-S Ebyte Dual-core Wireless Communication Module USIM B3 B5 B8 Frequency Band MQTT Low Energy NB-IoT Module
[Transmission type]：NB-IoT
[Frequency]：B3 B5 B8
[Weight]：1.3±0.1g
[USIM interface]：Support 1.8V/3V adaptive USIM card
[Feature]：Support TCP/UDP transparent transmission, FOTA remote upgrade
[Introduction]：EA01-S is a NB-IoT module launched by Chengdu Ebyte, working at B3 B5 B8 frequency band, good for TCP, UDP, MQTT, COAP, LwM2M and other protocols, 3GPP standards and FOTAremote upgrade. The module chip integrates a dual-core processor including an ARM core and a DSP core.
| No. | Name | I/O | Description | DC characteristics | Notes |
|---|---|---|---|---|---|
| 3 | DATA | DO | Socket data sending and receivinginstructions | - | Valid in low level |
| 4 | LINK-B | DO | Socket1 connection status indication | - | Valid in low level |
| 5 | LINK-A | DO | Socket0 connection status indication | - | Valid in low level |
| 6 | IO_RST | DI | Restore factory parameters | - | Valid in low level |
| 10 | SIM_GND | GND | USIM card dedicated | - | - |
| 11 | SIM_DATA | IO | USIM card data signal | - | Add 20K pull-up resistor to thedata line |
| 12 | SIM_RST | DO | USIM card reset signal | - | - |
| 13 | SIM_CLK | DO | USIM card clock signal | - | - |
| 14 | SIM_VDD | DO | USIM card power supply | 1.8/3V adaptive | 10mA max loading |
| 15 | RST/WKUP | DI | Reset/wake indication, valid in highlevel | VIL=0V,VIHmin=1.2V,VIHmax=3.6v | High-level signal pulse widthgreater than 100us and less than5s is regarded as wake-up signal.When the high-level signalwidth is greater than 6 seconds,it is regarded as a reset signal.(With internal pull-downresistor) |
| 16 | NETLIGHT | DO | Network status indication | - | Fast flashing indicator while onthe network |
| 17 | RXD | DI | Receive data from the TXD end of the DTE device | - | 3V voltage domain |
| 18 | TXD | DO | Send data to the RXD end of the DTE device | - | |
| 24 | VDD_EXT | PO | 3V output power | Vnom=3V | 80mA max loading |
| 28 | RXD_AUX | DI | Receive data from the TXD end of the DTE device | - | 3V voltage domain |
| 29 | TXD_AUX | DO | Send data to the RXD end of the DTE device | - | |
| 35 | RF_ANT | IO | RF antenna interface | - | 50Ω impedance match |
| 38 | RXD_LOG | DO | Receive data from the TXD end of the DTE device | - | 3V voltage domain |
| 39 | TXD_LOG | DI | Send data to the RXD end of the DTE device | - | |
| 42 | VBAT_BB | PI | Module baseband power supply | Vmax=4.2V,Vmin=3.1V,Vnom=3.6V | Provide static current no lessthan 0.5A |
| 43 | VBAT_RF | PI | Module RF power supply | Vmax=4.2V,Vmin=3.1V,Vnom=3.6V | Provide static current no lessthan 0.5A |
| 1,27,34,36,37,40,41 | GND | GND | Ground | - | - |
| 8,9,20～22,25,26,44 | RESERVED | - | - | - | floated |
| 2,7,19,23,30～33 | NC | - | - | - | - |