PIS-0388 LoRa Antenna Equivalent & Substitute Parts

Part Overview

The PIS-0388 is a 895MHz LoRa whip antenna manufactured by Pi Supply, designed for ISM band applications in the UHF frequency range (860MHz ~ 930MHz). This antenna features 5.8dBi gain, N Type Male termination, and bracket mount configuration with a maximum height of 800mm. The part is currently classified as obsolete, making identification of equivalent and substitute components essential for system redesign, procurement continuity, and long-term product support.

Key Parameters

Parameter	Value
Manufacturer Part Number	PIS-0388
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
Maximum Height	31.496" (800.00mm)
Power - Max	20 W
RF Family/Standard	General ISM
Frequency Group	UHF (300MHz ~ 1GHz)
Applications	LoRa
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the PIS-0388 are grouped based on strict electrical and mechanical parameter alignment within the LoRa antenna category. The primary substitution criteria are:

Electrical Parameters (Critical):

Frequency Range: 860MHz ~ 930MHz
Center Frequency: 895MHz
Gain: 5.8dBi
Termination: N Type Male
Power Rating: 20 W maximum
RF Family: General ISM
Antenna Type: Whip, Straight

Mechanical Parameters (Critical):

Mounting Type: Bracket Mount
Antenna Configuration: Single-band whip design

Compliance Parameters:

Moisture Sensitivity Level: 1 (Unlimited)
ECCN: EAR99
Applications: LoRa

All substitute parts maintain identical electrical performance characteristics and mechanical compatibility with the original PIS-0388. Variations in physical height and product status are noted but do not affect functional substitution within the specified parameter set.

Parameter Comparison

Part Number	Manufacturer	Frequency Range	Center Frequency	Gain (dBi)	Termination	Mounting Type	Height (mm)	Power Max (W)	Product Status	Inventory (Pcs)
PIS-0388	Pi Supply	860MHz ~ 930MHz	895MHz	5.8	N Type Male	Bracket Mount	800.00	20	Obsolete	845
NBR-0042	Pi Supply	860MHz ~ 930MHz	895MHz	5.8	N Type Male	Bracket Mount	500.00	20	Active	1249
PIS-0386	Pi Supply	860MHz ~ 930MHz	895MHz	5.8	N Type Male	Bracket Mount	800.00	20	Obsolete	940
PIS-0387	Pi Supply	860MHz ~ 930MHz	895MHz	5.8	N Type Male	Bracket Mount	800.00	20	Obsolete	1081
PIS-0390	Pi Supply	860MHz ~ 930MHz	895MHz	5.8	N Type Male	Bracket Mount	800.00	20	Obsolete	1005
PIS-0391	Pi Supply	860MHz ~ 930MHz	895MHz	5.8	N Type Male	Bracket Mount	800.00	20	Obsolete	747
PIS-0392	Pi Supply	860MHz ~ 930MHz	895MHz	5.8	N Type Male	Bracket Mount	800.00	20	Obsolete	1064
PIS-0394	Pi Supply	860MHz ~ 930MHz	895MHz	5.8	N Type Male	Bracket Mount	800.00	20	Obsolete	1074

Engineering Selection Recommendations

Primary Recommendation: NBR-0042

The NBR-0042 (Nebra 5.8dBi Glass Fiber LoRa Antenna) is the preferred substitute for the obsolete PIS-0388. This part maintains all critical electrical parameters (frequency range, gain, termination, power rating) and mechanical compatibility (bracket mount, whip configuration). The NBR-0042 holds Active product status, ensuring long-term availability and supply chain continuity. Current inventory of 1249 units supports immediate procurement requirements. The NBR-0042 is RoHS3 compliant, providing enhanced environmental compliance compared to the original part.

Secondary Recommendations: PIS-0386, PIS-0387, PIS-0390, PIS-0391, PIS-0392, PIS-0394

All listed substitute parts maintain identical electrical and mechanical specifications with the PIS-0388. These parts are classified as Obsolete but remain available in inventory. Selection among these alternatives should be based on:

Current inventory availability
Specific application requirements within the 860MHz ~ 930MHz band
Procurement lead times and cost considerations
Compliance certifications required for end-use applications

All substitute parts share the same ECCN classification (EAR99) and MSL rating (1 - Unlimited), ensuring regulatory and environmental compatibility with the original design.

Frequently Asked Questions (FAQ)

Q1: Can the NBR-0042 directly replace the PIS-0388 in existing designs?

A: Yes. The NBR-0042 maintains identical electrical parameters (5.8dBi gain, 860MHz ~ 930MHz frequency range, N Type Male termination, 20W power rating) and mechanical configuration (bracket mount, whip antenna type). The reduced physical height (500mm vs 800mm) does not affect electrical performance but may require mechanical mounting verification in space-constrained installations.

Q2: What is the difference between the PIS-0388 and other PIS-03xx series parts?

A: All PIS-03xx series parts listed (PIS-0386, PIS-0387, PIS-0390, PIS-0391, PIS-0392, PIS-0394) maintain identical electrical specifications and mechanical mounting. These parts are functionally equivalent for LoRa applications within the 860MHz ~ 930MHz band. Differences in part numbering reflect manufacturing variants or regional distribution designations rather than performance differentiation.

Q3: Is the NBR-0042 suitable for applications requiring the exact 800mm height of the PIS-0388?

A: The NBR-0042 has a maximum height of 500mm, which is 300mm shorter than the PIS-0388. If the 800mm height is a critical mechanical requirement for your application, alternative parts PIS-0386, PIS-0387, PIS-0390, PIS-0391, PIS-0392, or PIS-0394 maintain the original 800mm dimension. However, antenna height does not affect electrical performance within the specified frequency range and gain parameters.

Q4: What compliance certifications apply to these substitute parts?

A: All listed substitute parts share the same regulatory classification: ECCN EAR99 and Moisture Sensitivity Level 1 (Unlimited). The NBR-0042 additionally carries RoHS3 compliance certification. These certifications ensure compatibility with international export regulations and environmental standards applicable to ISM band RF components.

Q5: Are there any termination differences among the substitute parts?

A: All substitute parts, including the PIS-0388, feature N Type Male termination. This standardized connector type ensures mechanical and electrical compatibility across all listed alternatives without requiring adapter components or interface modifications.

Q6: What is the significance of the "Obsolete" product status for the PIS-0388 and most substitutes?

A: Obsolete status indicates that these parts are no longer in active production. However, existing inventory remains available for procurement. The NBR-0042, classified as Active, represents the current production equivalent and is recommended for new designs requiring long-term supply assurance. For legacy system support, obsolete alternatives remain viable if inventory availability permits.

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