RF 5km Remote Control Receiver Kl-K400la-4CH

製品説明
Use range
1.Water level detection,
2.illigation,
3.Remote meter reading,
4.Remote data collection etc.

包装 & 配送

包装:KELVIN standard (we also can do customized package)
配送:
1) Express: DHL, FedEx, UPS, TNT, EMS, 等.
2) By air
3) By sea
4) By special line,Depends on buyer’s requirement.
5).Delivery Details: within 3-5 days depends on order quantity.

Our Services
Our Service
1.Accept OEM, ODM &silk-screen printing you logo on the shell.
2.Response in 10 hours.
3.Experienced R&D staff.
4.Professional SMT equipments.
5.Accept payment via T/T, ペイパル, ウエスタンユニオン, Escrow, and so on.
6.Delivery by DHL,UPS,EMS or by sea as your requirments.

For order
1).Accept OEM.
2).Print logo on the case and pakage
3).Payment Details :30% deposite,70% balance before shipment.Payment accept T/T, Western union, PayPal, オプション)
4).Minimum Order:100 PCS (accept trial order)
5).Delivery Details:Within 3-5 days depends on order quantity.

よくある質問
Q1: How long if we use in city?
A1: It quite depends on the using conditions. The building and metal effect distance very much. The real distance is subject to actual on the spot.

Q2: Can your remote be copied by duplicators? Do you have any remotes for high security?
A2: Some duplicators can copy our fixed code and learning code remotes. We have high security coding type which can not be copied so far. For high security using, pls contact us for ready solution.

Q3: What’s LoRa ? What’s difference from LoRaWAN ?
A3: LoRa is a technology which is patented by American company Semtech. Its key feature is very long range with low power consumption. LoRaWAN is a standard of IOT based on LoRa technology.

Q4: Can we have different input voltage like 24V DC ?
A4: Of course. We can make any voltage you want. Q5: Can you print our model number or Logo on PCB or/and enclosure? A5: Of course. And we offer OEM/ODM if you need. We’re not only a manufacturer but also have R&D team so that can finish these work as well.

Q5: Can you print our model number or Logo on PCB or/and enclosure?
A5: Of course. And we offer OEM/ODM if you need. We’re not only a manufacturer but also have R&D team so that can finish these work as well.

Q6: What modulation is your remote? ASK or FSK ?
A6: We can provide both depends on your need.

Q7: Can we use remote control which made by other manufacturer?
A7: We don’t recommend to do so because they might be not compatible or even cause damage.

Q8: Can we use your LoRa remotes or controllers to work with gateway or cloud ?
A8: いいえ, they can’t. Our LoRa is peer-to-peer, not for network.Please contact our sales to get more information.

Q9: Is the distance real? Do you measure?
A9: はい, the distance is up to 6000m LOS(line of sight) for LoRa remotes in real test.

Q10:How do I know what frequency I should select?
A10:We used to make ISM band remote control products. It is license-free in all countries. You just need to tell me which countries the products will be used, then we will select right frequency. Most of our products work at Sub-1GHz, for example 315MHz, 433.92MHz, 447.6MHZ, 868MHz, 915MHz and so on. We also can make them work at 2.4GHz.

Our company
Shenzhen Kelvin Electronics Co.Ltd.Is a professional manufacturer of security Products.

Our products mainly include smoke detectors, door sensors, home alarm systems, panic buttons, wireless remote controls (or switches), wireless transceiver modules, 等.

They are comply with international quality standards and are sold to North America, South America, Eastern Europe, Southeast Asia and other world market…..