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WH-LTE-7S1-E Hardware Manual

Technical Support:

h.usriot.com

Jinan USR IOT Technology Limited

www.pusr.com

Note:
If the user needs to read the indicator light level, cannot directly connect the MCU pins to the module’s
indicator light pins, need to do the level matching. VCC is the user level.

Содержание WH-LTE-7S1-E

Страница 1: ...Technical Support h usriot com www usr cn 1 WH LTE 7S1 E Hardware Manual Document version V1 0 0...

Страница 2: ...ion 5 2 4 Evaluation Board 6 3 Application Interfaces 7 3 1 Power Interface 7 3 2 USB Interface 8 3 3 UART Interface 8 3 4 SIM Interface 9 3 5 Indicators 11 3 6 Reset Reload 13 3 7 Turn on off Module...

Страница 3: ...ns Parameters Description Basic Parameters WH LTE 7S1 E Supports B1 B3 B7 B8 B20 B28 Encapsulation DIP 23pin Power 3 4V 4 2V 5 16V Not coexisting Indicators WORK NET LINKA LINKB DATA SIM USIM 3V 1 8V...

Страница 4: ...and AT command Network protocol TCP UDP DNS FTP HTTP Socket number 4 User configuration Serial Network SMS AT command Features Socket distribution protocol Support FOTA self upgrade Support Security S...

Страница 5: ...ket B connection is established 3 USB_DM I O USB 4 USB_DP I O USB 5 V_PAD P 3 0V IO Power domain 6 UTXD1 O UART data out data output from module to user device 3 0V 7 URXD1 I UART data in data input f...

Страница 6: ...rd clock 23 SIM_RST O SIM card control Note 1 P means power supply pin I means the input pin O means the output pin 2 LINKA LINKB WORK NET pin high level is 1 8V if need to be compatible with 7S2 7S3...

Страница 7: ...fficient power supply capacity and strictly control it within 5V 16V It is recommended to add 220uF electrolytic capacitor at the front end of the pin interface to increase the stability of the power...

Страница 8: ...facilitate subsequent debugging 2 When used as an operation interface or debugging interface the protection of ESD interface must be considered on the USB signal line the junction capacitance of ESD...

Страница 9: ...9 TXD RXD V_PAD is the module serial power pin 3 0V VDD is the user s MCU level For triodes S9014 J6 of JCET Group is recommended or other devices of the same specification 3 4 SIM Interface The modul...

Страница 10: ...TA has a stable high level in three states so as to improve the driving ability and the edge characteristics of its waveform 3 In order to meet the requirements of 3GPP TS 51 010 1 protocol and EMC ce...

Страница 11: ...et A status 3 0V 2 LINKB Socket B status 3 0V 9 WORK Module work status 3 0V 15 NET Network status 3 0V WH LTE 7S1 E itself provides 3 status indicator lights POWER Always on after the module is power...

Страница 12: ...h usriot com Jinan USR IOT Technology Limited www pusr com 12 Note If the user needs to read the indicator light level cannot directly connect the MCU pins to the module s indicator light pins need t...

Страница 13: ...the RESET pin for 0 5s then pull up or open it Reload Pull down for 3 15s then pull up or open it to restore the factory settings Reference circuit 3 7 Turn on off Module Using PWRKEY If unused must...

Страница 14: ...ailure the radio frequency spectrum and network are basically unaffected Only a few parameters such as output power may be outside the range of the 3GPP standard When the temperature returns to the no...

Страница 15: ...ymbol Parameter Min Typ Max Unit VIH High level input voltage 2 1 3 0 3 0 V VIL Low level input voltage 0 0 0 6 V VOH High level output voltage 2 1 3 0 3 1 V VOL Low level output voltage 0 0 0 45 V 4...

Страница 16: ...WH LTE 7S1 E Hardware Manual Technical Support h usriot com Jinan USR IOT Technology Limited www pusr com 16 5 2 Dimensions...

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