Phoenix Contact 2902277 RF Transceiver 902MHz ~ 928MHz ISM - Equivalent & Substitute Parts

Part Overview

The Phoenix Contact 2902277 is an RF transceiver module designed for 902MHz ~ 928MHz ISM band applications with RS-232 and RS-422/485 serial interfaces. This component operates at data rates up to 38.4kbps with 30dBm output power and supports DIN rail mounting. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance, redesign, and procurement planning.

Substiute Parts

2902277

Phoenix ContactIn Stock: 9592902277 Datasheet

Current PartRFQ

2901540

Phoenix ContactIn Stock: 10452901540 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The Phoenix Contact 2901540 is identified as a substitute for the 2902277 based on the following core compatibility parameters:

Frequency Alignment: Both components operate within the 900MHz ISM band, with the 2901540 covering 900MHz and the 2902277 covering 902MHz ~ 928MHz. This overlap ensures RF compatibility for ISM applications.

Serial Interface Compatibility: Both parts support RS-232 and RS-485 interfaces, enabling direct integration into existing serial communication architectures. The 2902277 additionally supports RS-422, which is a superset capability not required for basic substitution.

Transceiver Function: Both components perform bidirectional RF transmission and reception, maintaining functional equivalence for general-purpose ISM applications.

Supply Voltage Range: The 2901540 operates at 10.8V ~ 30.5V, which encompasses the 2902277 operating range of 12V ~ 30V, ensuring power supply compatibility.

Product Status: The 2901540 is classified as active, providing ongoing availability and support compared to the obsolete 2902277.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: The Phoenix Contact 2901540 serves as the primary substitute for the obsolete 2902277. Both components are manufactured by Phoenix Contact and maintain RF frequency band compatibility within the 900MHz ISM spectrum. The 2901540 is actively produced and supported, eliminating supply chain risks associated with the obsolete 2902277.

Compliance Considerations: The 2901540 meets ROHS3 compliance standards and is REACH affected, representing current regulatory alignment. The 2902277 meets RoHS compliance but carries obsolete product status. For new designs or long-term system deployments, the 2901540 is the preferred selection.

Inventory Status: Both components are currently in stock (917 pcs for 2902277; 972 pcs for 2901540), enabling immediate procurement decisions.

Frequently Asked Questions (FAQ)

Q: Can the 2901540 directly replace the 2902277 in existing installations?

A: Yes. Both components support RS-232 and RS-485 serial interfaces, operate within compatible 900MHz ISM frequency bands, and accept supply voltages within overlapping ranges (10.8V ~ 30.5V for 2901540 encompasses 12V ~ 30V for 2902277). Physical form factor and mounting requirements should be verified against your specific application.

Q: What are the key differences between these two transceivers?

A: The 2901540 offers higher data rate capability (500kbps vs. 38.4kbps), includes modem functionality, implements FHSS modulation instead of ISM, and provides specified receiver sensitivity (-112dBm). The 2902277 specifies 30dBm output power and supports RS-422 in addition to RS-232/485. The 2901540 is actively produced while the 2902277 is obsolete.

Q: Are there packaging differences between these parts?

A: The 2902277 features DIN rail mounting. The 2901540 is supplied in bulk packaging. Mechanical integration requirements should be evaluated for your specific installation.

Q: Which part should be selected for new system designs?

A: The Phoenix Contact 2901540 is the appropriate selection for new designs. It is actively supported, meets current RoHS3 and REACH compliance requirements, and provides enhanced performance specifications including higher data rates and documented receiver sensitivity.

Q: Is frequency compatibility guaranteed between these parts?

A: Both components operate within the 900MHz ISM band. The 2902277 covers 902MHz ~ 928MHz while the 2901540 operates at 900MHz. This frequency overlap ensures RF compatibility for ISM applications, though specific frequency coordination should be confirmed for your application requirements.