B3803

Antennas RF Overview

The B3803 is a vertical whip antenna manufactured by TE Connectivity, designed for vehicular applications within the UHF band. It operates across a frequency range of 380 MHz to 520 MHz with a center frequency of 450 MHz. The component features a mechanical whip style and provides a gain of 3 dBi. It has a 50 Ohm impedance and a VSWR of 2:1. The power rating is 200 W, and it utilizes an NMO connector for mounting. The antenna height is approximately 232 mm, and it functions within a temperature range of -35°C to +80°C.

Antennas RF Feature Summary

• Vertical whip design optimized for vehicular RF transmission
• NMO base mount for secure vehicle installation
• High power handling capability up to 200 W
• Operates within the 380-520 MHz UHF frequency band

Antennas RF Applications

• Vehicular communication systems
• UHF radio installations in vehicles
• Mobile telemetry equipment

Antennas RF Procurement Notes

Verify the specific suffix variant required for the application, as TE Connectivity offers variations such as B3803W and B3803WS which may differ in packaging or minor specifications. Confirm current availability status directly with authorized distributors, as production cycles and stock levels fluctuate. Ensure the NMO mount interface matches existing vehicle hardware before ordering.

Antennas RF Selection Notes

Select this model for applications requiring robust UHF performance in mobile environments. The 3 dBi gain and 200 W power rating suit high-power transmitter setups. Consider the physical height of 232 mm for clearance constraints. Verify that the operating temperature range meets the environmental conditions of the intended deployment site.

Antennas RF Part Context

The B3803 belongs to TE Connectivity's outdoor antenna portfolio, specifically categorized under ISM and UHF antennas. It is part of a family that includes variants like B3803W and BB3803W. Some related models in this series have reached end-of-life status, making the B3803 a key active component for legacy or specific UHF vehicular system designs.

Antennas RF Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Variants such as B3803W and B3803WS share similar electrical characteristics but may differ in packaging or minor physical attributes. Cross-referencing datasheets is essential before substitution.