5 PCS LOT JM100-W free cloud wifi module
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45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller. |
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On-time Delivery Guarantees: On-time Delivery 60 days |
5 PCS LOT JM100-W free cloud wifi module
VCC: power supply module is used to, 3.3 ~ 5V. Config_TX: When downloading configurations, modules UART transmit pin. Config_RX: When downloading configurations, modules UART receive pin. Config_EN: configuration mode enabled, if this is grounded, the module automatically after power to enter configuration mode; if floating or connected high after power-enter the normal operating mode. GND: power supply connected to ground. J12 is a communication interface pins are defined as follows: VCC: power supply module is used to, 3.3 ~ 5V. TX: communication module UART transmit pin. RX: When communication module UART receive pin. RST: reset pin and GND in the module is reset. GND: power supply connected to ground. J13 to include communications and download configuration interface pins are as follows: VCC, TX, RX, RST, GND, Config_TX, Config_RX. Users choose to use J13 or J11 and J12.
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| Warranty & Contact US |
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1. You have 7 days to contact us and 30 days to return it from the date it was received.
2. Both Replacement and Money Return are accept. Return shipping fee afford with buyer. 3. 12 months Manufacturer’s limited warranty for defective items(excluding Man-made damage).Accessories come with a 3-month warranty. 4. Defective item MUST BE reported and returned within the warranty period. 5.We maintain high standards of excellence and strive for 100% customer satisfaction. Feedback is very important,We hope you can contact us immediately before you give us neutral or negative feedback. 6.If you have any questions, our Customer Service staffs welcome you to email or call us. We strive to answer all questions and resolve any problems as quickly as possible |
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| Name | Rating | Feedback |
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| Shipping Company | Shipping Cost | Estimated Delivery Time |
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3 - 7 days | |
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3 - 7 days | |
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5 - 14 days | |
| Post Air Mail | Free Shipping | 15 - 45 days |
| Return Policy | If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller. N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion. |
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| Seller Service | On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe). |
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