Questions
Ordering, delivery, products and warranty. Can’t find your answer? Ask us.
Ordering and payment
How do I order?
Add products to your cart and check out with your name, mobile number and address. We call to confirm every order before we dispatch it.
How can I pay?
Cash on delivery, anywhere in Bangladesh. You can also pay by bKash at checkout. Nagad is accepted too.
Can I order on WhatsApp?
Yes. Use the WhatsApp button on a product page or at checkout, and we’ll confirm your order in the chat.
Can I change or cancel an order?
Yes, any time before it’s dispatched. Call or message us with your order number.
Can I order for a team, lab or class?
Yes. Contact us with the products and quantities you need and we’ll confirm availability.
Delivery
How long does delivery take?
We ship with Steadfast. Most orders arrive within 24 to 48 hours of dispatch; remote areas can take a little longer.
How much is delivery?
It depends on where you are. We confirm the charge on the order call.
Inside Dhaka city: . Dhaka suburbs: . Outside Dhaka: .
Do you deliver outside Dhaka?
Yes, to every district in Bangladesh.
Products
Should I use Betaflight or INAV on AVION F4?
Betaflight for freestyle and racing. INAV for GPS position hold, return to home and waypoints. Use INAV 7, because INAV 8 and later don’t publish official builds for F411 boards.
Which battery should I choose?
Match the cell count to what your motors and ESCs are rated for, then choose capacity: 10,000 mAh packs fly longer but weigh more. Unsure? Send us your motor and frame details.
Do you make custom battery packs?
Yes. Tell us the cell count, capacity and connector you need.
When will dNavi, AVION MAX and the frames be available?
They’re in testing and engineering now. Use Get notified on each product page and we’ll email you when they launch.
Is AVION F4 really made in Bangladesh?
Yes. It’s designed and manufactured here on a four-layer board, and flight-tested over Dhaka.
Warranty and returns
What does the warranty cover?
AVION electronics have a 6-month warranty against manufacturing defects. Crash damage, wiring mistakes and modifications aren’t covered. Read the warranty.
What if something arrives faulty or wrong?
Tell us within 7 days of delivery. After a quick inspection we’ll replace it or refund you. Read the returns policy.
Custom work
Do you build custom drones?
Yes. EXPRESS builds delivery drones and ENTERPRISE builds industrial systems. Tell us about the project.