How does POS ensure a stable connection of data?

In business operations, the stability of network data ensures more transactions, more orders, more cooperation,So what are the requirements for network stability?

1. The stability of the equipment is required, and the communication unit of the equipment shall be qualified to receive and transmit signals in a stable and continuous manner.
2. Need the stability of network operator, when the network operator owns plentiful enough signal stations , which can realize remote area without losing connection
3. The stability of the environment is required. Whether the equipment is located in the underground warehouse, mountaintop, high-rise, signal isolation area, etc., the bad environment will affect the stability of the network.

The stability requirement of the network is not simple, but why do we need to guarantee the data stability？

In order to ensure the normal operation of the work, if the network signal of the portable mobile POS machine is poor, the merchant will be unable to receive orders, receive important information, and complete the transaction, so the order will be missed and the order will be dropped, causing a loss. If the signal is completely lost, the whole system will be invalid and cause a huge loss.

In order to ensure the timely receipt of message data and the accuracy of data, if the information received by merchants is not timely and accurate, merchants will obtain invalid information, which will not only interfere with their work, but also lead to their loss of customers.

In real life, there are many situations that can lead to the instability of data transmission, as mentioned above, such as mountaintops, high-rise buildings, underground floors, caves, signal isolation areas, areas where have heavy metals are easy to shield, signal towers are not all over the area, and areas the signal is too hot or too cold, etc., all of which will make the signal connection intermittent or even lost，So datamega's smart moblie POS how to ensure the stability of network connection?

1. Dual card dual standby and automatic switch，Standard dual card configuration to stabilize network data connection.If the signal of one SIM card is lower than the standard value, the code will automatically switch to the network data of another SIM card when the signal is weak, and seamlessly help the customer to complete the operation at ease.Customers can also manually switch SIM card 1 or SIM card 2 on our mobile POS management software Dcloud or POS itself to meet a variety of requirements and tests.

2. External antenna，Optional external antenna type to enhance the signal in those areas where the environment is bad, so that the signal enhancement, stable connection network. For example,in remote store, indoor almost no signal, the user can through the external or directional antenna, connect the feeders into inside the house,realize the data communication when the room without network coverage , our moblile POS machine also can connect their own antenna, enhance their signals to connect with signal tower, realize stablely surfing under the bad environment .

3. Dual-band WIFI is supported,Dual-band wireless wifi is the wifi are working at 2.4 GHz and 5 GHz frequencies at the same time , 5 G band to ensure high-speed connection, more widely,2.4g band coverage is wider, as 802.11 b and 802.11 G, 802.11 n work in this spectrum, compared to the single frequency band, it has higher rate of wireless transmission, have stronger anti-jamming, the wireless signal is stronger, higher stability and not easy to drop, the dual-band wireless router has become the mainstream of development trend of wireless products, our moilbe POS is dual-band work equipment, to provide smooth work environment.

4. Supports multiple connection modes，It supports 4G high-speed network connection, and is compatible with 3G/2G network to ensure stable communication at any time and anywhere.There are also smart handheld POS models that support Ethernet connection, a variety of network connection methods, a variety of means to support the normal operation of the store

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