PIS-0394 LoRa Antenna Equivalent & Substitute Parts

Part Overview

The PIS-0394 is a 895MHz LoRa whip antenna with 5.8dBi gain, designed for ISM band applications in the UHF frequency range (860MHz ~ 930MHz). The antenna features an N Type Male termination and bracket mount configuration, with a maximum height of 800mm and 20W power handling capability.

The PIS-0394 is classified as Obsolete. Identifying equivalent and substitute parts is necessary to maintain system compatibility and ensure continued availability for LoRa network deployments and maintenance applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	PIS-0394
Manufacturer	Pi Supply
Frequency Range	860MHz ~ 930MHz
Center Frequency	895MHz
Antenna Type	Whip, Straight
Gain	5.8dBi
Termination	N Type Male
Mounting Type	Bracket Mount
Height (Max)	31.496" (800.00mm)
Power - Max	20 W
RF Family/Standard	General ISM
Frequency Group	UHF (300MHz ~ 1GHz)
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8517.71.0000

Substitute Part Grouping Explanation

Substitute parts for the PIS-0394 are identified based on strict electrical and mechanical parameter alignment within the LoRa antenna product category. The substitution logic is based on the following key parameters:

Primary Substitution Criteria:

Frequency Range: 860MHz ~ 930MHz
Center Frequency: 895MHz
Antenna Gain: 5.8dBi
Antenna Type: Whip, Straight
Termination: N Type Male
Mounting Type: Bracket Mount
Power Handling: 20W
RF Family/Standard: General ISM
Frequency Group: UHF (300MHz ~ 1GHz)
Moisture Sensitivity Level: 1 (Unlimited)

Direct Manufacturer Substitute: The NBR-0042 (Nebra 5.8dBi Glass Fiber LoRa Antenna) meets all electrical parameters and is classified as Active product status. The primary mechanical difference is reduced height (500mm vs 800mm).

Parametric Equivalents: Parts PIS-0386, PIS-0387, PIS-0390, PIS-0391, and PIS-0392 share identical electrical specifications and mechanical mounting characteristics with the PIS-0394. All are classified as Obsolete and maintain the same 800mm height specification.

Parameter Comparison

Part Number	Manufacturer	Product Status	Frequency Range	Center Frequency	Gain (dBi)	Antenna Type	Termination	Mounting Type	Height (mm)	Power Max (W)	Inventory (Pcs)
PIS-0394	Pi Supply	Obsolete	860MHz ~ 930MHz	895MHz	5.8	Whip, Straight	N Type Male	Bracket Mount	800.00	20	1074
NBR-0042	Pi Supply	Active	860MHz ~ 930MHz	895MHz	5.8	Whip, Straight	N Type Male	Bracket Mount	500.00	20	1249
PIS-0386	Pi Supply	Obsolete	860MHz ~ 930MHz	895MHz	5.8	Whip, Straight	N Type Male	Bracket Mount	800.00	20	940
PIS-0387	Pi Supply	Obsolete	860MHz ~ 930MHz	895MHz	5.8	Whip, Straight	N Type Male	Bracket Mount	800.00	20	1081
PIS-0390	Pi Supply	Obsolete	860MHz ~ 930MHz	895MHz	5.8	Whip, Straight	N Type Male	Bracket Mount	800.00	20	1005
PIS-0391	Pi Supply	Obsolete	860MHz ~ 930MHz	895MHz	5.8	Whip, Straight	N Type Male	Bracket Mount	800.00	20	747
PIS-0392	Pi Supply	Obsolete	860MHz ~ 930MHz	895MHz	5.8	Whip, Straight	N Type Male	Bracket Mount	800.00	20	1064

Engineering Selection Recommendations

Primary Recommendation: NBR-0042

The NBR-0042 is the preferred substitute for the obsolete PIS-0394. This part maintains full electrical equivalence across all critical RF parameters: frequency range (860MHz ~ 930MHz), center frequency (895MHz), gain (5.8dBi), termination (N Type Male), and power handling (20W). The NBR-0042 is classified as Active product status, ensuring long-term availability and supply chain continuity. The part is RoHS3 compliant, meeting current environmental and regulatory standards. The primary mechanical difference is antenna height (500mm vs 800mm), which may be accommodated through mounting configuration adjustments in most LoRa deployment scenarios.

Secondary Recommendations: PIS-0386, PIS-0387, PIS-0390, PIS-0391, PIS-0392

These five parts are parametric equivalents to the PIS-0394, sharing identical electrical specifications and mechanical mounting characteristics. All maintain the 800mm height specification. However, all are classified as Obsolete product status. These parts are suitable for direct replacement in existing systems where inventory is available, but should not be selected for new designs or long-term deployments due to discontinued status.

Selection Criteria:

For new designs and long-term deployments: Select NBR-0042 (Active status, RoHS3 compliant)
For direct replacement in existing systems: Select from PIS-0386, PIS-0387, PIS-0390, PIS-0391, or PIS-0392 based on inventory availability
For applications requiring 800mm antenna height: PIS-0386, PIS-0387, PIS-0390, PIS-0391, or PIS-0392
For applications where 500mm antenna height is acceptable: NBR-0042

Frequently Asked Questions (FAQ)

Q: Can NBR-0042 be used as a direct replacement for PIS-0394?

A: Yes. The NBR-0042 meets all electrical specifications of the PIS-0394, including frequency range (860MHz ~ 930MHz), gain (5.8dBi), termination (N Type Male), and power handling (20W). The antenna height is reduced from 800mm to 500mm. This difference may require mounting configuration adjustments but does not affect RF performance parameters.

Q: What is the difference between the PIS-0394 and the parametric equivalent parts (PIS-0386, PIS-0387, PIS-0390, PIS-0391, PIS-0392)?

A: These parts are electrically and mechanically identical to the PIS-0394. All share the same frequency range, gain, termination type, mounting configuration, and 800mm height. The primary distinction is that all are classified as Obsolete product status.

Q: Why is NBR-0042 preferred over the other substitute parts?

A: The NBR-0042 is classified as Active product status, ensuring continued availability and supply chain support. It is also RoHS3 compliant, meeting current environmental regulations. The parametric equivalent parts (PIS-0386, PIS-0387, PIS-0390, PIS-0391, PIS-0392) are all Obsolete, limiting long-term availability.

Q: Are there any compatibility issues when substituting PIS-0394 with NBR-0042?

A: No compatibility issues exist for RF performance. Both parts feature N Type Male termination and bracket mount configuration. The 300mm reduction in antenna height (from 800mm to 500mm) may require physical mounting adjustments depending on installation geometry, but does not affect electrical compatibility or RF characteristics.

Q: What is the inventory status of substitute parts?

A: NBR-0042 has 1249 units in stock. Among the parametric equivalents, PIS-0387 has the highest inventory (1081 units), followed by PIS-0392 (1064 units), PIS-0390 (1005 units), PIS-0386 (940 units), and PIS-0391 (747 units).

Q: Are all substitute parts suitable for LoRa applications?

A: Yes. All substitute parts are specified for LoRa applications and operate within the ISM band frequency range (860MHz ~ 930MHz) required for LoRa network deployments.

Q: What is the MSL rating for substitute parts?

A: All substitute parts, including NBR-0042 and the parametric equivalents, have an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.

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