- Direct compatibility with Raspberry Pi 4 and Raspberry Pi 5
- Compact HAT+ mounting design for clean installations
- GPIO modem control for advanced device management
- PCM audio support for low-latency communication
- USB Type-C receptacle for modern connectivity
- Single SIM slot for mobile network access
- Dual SMA connectors for external mobile antennas
Teltonika EBD021 CALYX 4G LTE-FDD (Cat 4) embedded Raspberry Pi HAT+- 2 x SMA for Mobile-
EBD021
Get registered and you will earn 9 points
(Each R100 spent = 1 point).Your cart will total 9 points.
- Direct compatibility with Raspberry Pi 4 and Raspberry Pi 5
- Compact HAT+ mounting design for clean installations
- GPIO modem control for advanced device management
- PCM audio support for low-latency communication
- USB Type-C receptacle for modern connectivity
- Single SIM slot for mobile network access
- Dual SMA connectors for external mobile antennas
R917 incl. VAT
R798 excl. VAT
FREE DELIVERY
IN STOCK at EXTERNAL supplier.
If ordered before 10AM:
DELIVERED in 2-3 business days (main centres)
or 3-5 business days (regional areas or large items)
COLLECTION from GeeWiz available in 1-2 business days
Product is expected to be in stock, however stock levels are LOW, so stock may be finished. If ordered, we will contact you if this product is sold out
Or as low as R306 over 6 months interest-free, using your existing credit card. How it works
EBD021
Teltonika EBD021 Calyx 4G LTE-FDD (CAT 4) Embedded Raspberry Pi hat+
Overview Summary:
The Teltonika Calyx EBD021 is a compact 4G LTE Cat 4 Raspberry Pi HAT+ designed to deliver reliable mobile internet connectivity for embedded systems and IoT deployments. Built for Raspberry Pi 4 and Raspberry Pi 5 platforms, this expansion board integrates directly onto your SBC while providing stable LTE connectivity through dual SMA antenna ports and a Nano SIM slot. Its industrial-grade design makes it ideal for remote installations, automation projects, monitoring systems, and edge computing applications across South Africa.
With GPIO modem control, USB Type-C connectivity, and support for low-latency PCM audio transfer, the Calyx EBD021 offers flexible integration for developers, integrators, and industrial users. Whether you need backup internet, remote telemetry, or cellular networking in locations without stable Wi-Fi, this solution is built for dependable performance. Buy now and upgrade your Raspberry Pi project with secure and efficient 4G LTE connectivity.
What tier does this fall into?
Industrial-grade 4G LTE Embedded Connectivity
What is this best for?
IoT deployments, remote monitoring, Raspberry Pi networking, industrial automation, telemetry systems, edge computing, mobile internet access, embedded development
Overview:
Teltonika CALYX Embedded Raspberry Pi HAT+ for Reliable Cellular Connectivity
The Teltonika CALYX Embedded Raspberry Pi HAT+ is engineered to deliver dependable mobile internet connectivity for Raspberry Pi 4 and Raspberry Pi 5 environments where traditional wired or wireless networking is limited or unavailable. Designed for developers, integrators, and industrial IoT deployments, this compact solution provides stable 4G LTE connectivity directly through your single-board computer setup while maintaining a clean and space-saving installation.
Its direct-mount HAT+ design integrates neatly onto the Raspberry Pi platform, eliminating unnecessary clutter and simplifying deployment in embedded systems. With GPIO modem control support, users can efficiently manage modem operations such as wake, reset, and control functions directly through Raspberry Pi pins. PCM audio functionality also enables low-latency audio communication for applications requiring streamlined voice or audio transmission.
Description:
The Teltonika EBD021 CALYX Embedded Raspberry Pi HAT+ is a compact cellular connectivity module built for Raspberry Pi 4 and 5 platforms. Featuring 4G LTE Cat 4 technology, dual SMA antenna connectors, GPIO modem management, and PCM audio support, this solution enables reliable mobile networking for industrial automation, remote monitoring, IoT deployments, edge computing, and embedded development projects. Its space-efficient design and direct Raspberry Pi integration make it ideal for professional embedded applications requiring stable internet access beyond traditional Wi-Fi or Ethernet coverage.
Features:
Built for Embedded and IoT Applications
Whether deployed in industrial automation, telemetry, smart devices, or remote monitoring systems, CALYX provides dependable mobile broadband access without requiring external USB modems or bulky networking equipment. The compact footprint makes it especially suitable for installations where space efficiency matters.
This model supports LTE-FDD Cat 4 connectivity, offering practical mobile internet performance for data-intensive embedded workloads and field deployments.
Connectivity and Integration Advantages
The CALYX HAT+ has been designed for streamlined integration into Raspberry Pi environments while maintaining flexible connectivity options.
Key integration benefits include:
- Direct compatibility with Raspberry Pi 4 and Raspberry Pi 5
- Compact HAT+ mounting design for clean installations
- GPIO modem control for advanced device management
- PCM audio support for low-latency communication
- USB Type-C receptacle for modern connectivity
- Single SIM slot for mobile network access
- Dual SMA connectors for external mobile antennas
Technical Details
Important hardware details for the Teltonika EBD021 include:
- Part Number / SKU: EBD021
- Cellular technology: 4G LTE-FDD Cat 4
- Form factor: Embedded Raspberry Pi HAT+
- Antenna connectors: 2 x SMA
- SIM support: 1 x SIM slot
- USB interface: USB Type-C receptacle
- GPIO interface: 40-pin GPIO header
- Audio support: PCM enhanced audio
Designed for Flexible Cellular Expansion
The CALYX platform is available across multiple connectivity variants, allowing developers and system integrators to select the right performance level for their deployment requirements. The EBD021 model focuses on practical and efficient 4G LTE Cat 4 connectivity while maintaining low-profile embedded integration.
For applications operating in remote locations, transport systems, industrial control environments, or smart infrastructure projects, the Teltonika CALYX solution offers a reliable way to maintain mobile connectivity where Ethernet and Wi-Fi cannot consistently perform.
Why Choose the Teltonika EBD021 CALYX
The Teltonika EBD021 combines reliable LTE performance, Raspberry Pi compatibility, and embedded-friendly design into a single compact solution. Its combination of GPIO modem control, external antenna support, and integrated cellular connectivity makes it a strong choice for professional IoT and embedded networking deployments requiring stable mobile internet access.
- Returns Policy
-
Return of merchandise (RMA) and Warranty
We want you to be happy with the purchase you have made from us. If you are not completely satisfied, you may return the product to us and we will either refund, credit, repair/replace it, subject to the below terms and conditions.
You can return purchases for a refund (excl shipping). Please notify us within 7 days and ensure item is ready maximum 10 days after delivery date.
Please ensure to log your return request within 7 days of receipt of your item. Please ensure to select the correct reason for return:
- Changed my mind / Item exchange
- Faulty on arrival
- Incorrect item received
All items are covered by a 12 month warranty (unless otherwise stated) which will be honoured directly by GeeWiz. All products will either be replaced/repaired/refunded depending on stock availability. Products will require evaluation by GeeWiz before a warranty claim can be accepted.
Should the item being returned for assessment be found to be in good working order, unfortunately, there will be a collection fee that will apply.
The collection fees are as follows:
- For returns on items that were sent with free shipping: R198
- For returns that had a surcharge, the same surcharge will apply for collection.
Please log your return on your account, under the returns manager.
We do not reimburse your fee to ship to us, but we will pay for return shipping if the item is subject to replacement. If the item you wish to return was ordered incorrectly / is no longer required / you have changed your mind, there is a collection fee that will be charged (please refer to the above) and this will be deducted from the refund amount once the supplier has credited us. Please note GeeWiz will only cover return shipping of a faulty unit within 6 months of purchase, after which, a shipping fee (starting from R198) will be applicable to you for the return of the unit.
Any disputes relating to ordered items being short/incorrectly shipped will only be entertained if reported to GeeWiz within 3 days of delivery/collection.
Refunds are subject to inspection of item(s) - in some cases, items will need to be sent to supplier for evaluation and testing. This can take up to 15 working days. Once a refund has been approved, this may take 3 - 5 business days to be processed.
ALL returns are subject to up to a 30% restocking fee if item is no longer in BRAND NEW condition or if item seal/packaging has been broken.
Please re-package safely and include all original product packaging.
All software products are unfortunately not eligible for credit or refund once purchased.
After the 6-month period, you will no longer be eligible and won't be able to receive a refund. We can however replace or repair depending on the outcome after our team of professionals has inspected the product.
Should a warranty sticker not be present on an item, the warranty is immediately null and void.
Batteries are covered under warranty, but please note that GEL, AGM and LEAD ACID have limited cycle runs. These are typically around 200 cycles and may run out before the end of the warranty. Once the cycles have been depleted, it means the battery has reached the end of life and will no longer be a warranty claim.
GeeWiz reserves the right to refuse a refund if the item is damaged from misuse, items are missing, or if the product is altered in any way.
GeeWiz or its affiliates are not responsible for damage or loss of any kind that may occur as a result of using or misusing any product purchased from us.
The warranty will no longer be valid, and GeeWiz will not be responsible for damage or injury of any kind resulting from:
- Electricity fluctuations and surges, lightning strikes, faults in the building wiring, faulty installations, and improper use of controls
- Failure to use the product in accordance with the operating instructions and or general misuse and or abuse
- Damage caused by a superior force (vis major) or if the product has been infested with insects or pests
- If the product is physically damaged after it left the store
- If water or liquid caused the damage to the product
- If the warranty seal is tampered with
- Any repair or tampering by an unauthorised person or attempt to repair or tamper with the equipment, or use of parts not supplied by authorised agents, or alterations or modification to the equipment shall render the warranty null and void.
For hygiene purposes.
Please note we cannot accept returns for apparel that has been worn, stained, frayed, or otherwise shows signs of use.
We can only accept returns for items that are damaged upon receipt or are faulty.
Click here to get more details
If you have any further questions, please feel free to use the form below to ask:
Related products
(8 other products in the same category)
