RF Transceiver System In Package, Sigfox™ Verified RC1, Ultra-low Power.
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Countries adapted for RC1

Commercially availableJun, 2018


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AX−SIP−SFEU is an ultra−low power, smallest RC1 Verified ultra compact System-in-Package (SiP) solution on the market for a node on the Sigfox network with both up− and down−link functionality. Delivered with conformal shielding, the AX−SIP−SFEU SiP, contains all the necessary components and firmware for transmit and receive operation on the RC1 Sigfox network.  No additional passive components or reference frequency providing parts are required on the customer’s PCB. A single-ended 50 Ω antenna port is provided. The AX−SIP−SFEU SiP is available as stand-alone Sigfox modem (AX-SIP-SFEU-1-01-TX30 with AT-commands), or fully customizable SubGHz transciever for multiprotocol applications (AX-SIP-SFEU-API-1-01-TX30 with pre-compiled Onsemi Sigfox API).

Features & Benefits  
• Sigfox™ Verified RC1 SiP with pre-regulatory approval 
• Out of the box ready to use connectivity for Sigfox Radio Configuration 1  
• System in Package with all BOM included   
• Smallest RC1 Verified solution on the market   
• Up Link and Down Link   
• Supports all operating modes of Sigfox with no restriction   
• Ultra Low Power sleep deep-sleep and standby current   
• Ideally suited for battery operated system   
• 45 mA TX current at 14 dBm output power  
• Efficient use of Battery for Class 0 operation   
• SIP38  9x7x1 mm3 with conformal shielding   
• One-third footprint and one-tenth overall size versus a module-based solution
• Supply range from 2.1 to 3.6 V   
• Wide supply range extend product lifetime for an given battery 

• Industrial IoT   
• Building and Home Automation  
• Automatic Meter Reading   
• Sensor and Asset Tracking   
• Control and Lighting

Downloadable resources
  • TND6277-D.PDF

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Sigfox Verified

End Product Certificate M_000B_ACAC_01



Commercially availableJun, 2018
Where to buy ?

This product is available through distributors.

Technical Details

Product casing

Dimensions (in mm): 9 x 7 x 1

Weight: 0.5gr

Sigfox Connectivity


Max Tx Radiated Power: +13 dBm

Rx Sensitivity: -125 dBm

Product electrical characteristics

Power Supply: From 2.1V to 3.6V

Power Consumption:

Tx: 45 mA

Rx: 14 mA

Idle: 1.2 μA

Embedded Software

Memory Size for Client Firmware: 32Kb

SDK: Yes

External antenna

A connector for an external antenna is available


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