Overview
The 15731 is a 0 dBd gain 1/4 wave helical antenna with an RPSMA connector designed for use with radios operating at 900 to 935 MHz. The 15731 is typically used with one of our 900 MHz radio products with an RPSMA antenna jack, such as the RF401A and RF411A. This small, low-cost antenna is typically used in applications where space is constrained and antenna gain is not required to maintain a strong RF link.
Note: The yellow stripe on the antenna indicates that this antenna operates with a center frequency of 916 MHz.
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Detailed Description
The 15731 is a 0 dBd gain 1/4 wave antenna with an RPSMA pin (male) connector. It has an omnidirectional radiation pattern and a center frequency of 916 MHz. It is fully weatherized and is therefore suitable for indoor and outdoor use.
Note: The yellow stripe on the antenna indicates that this antenna operates with a center frequency of 916 MHz.
Specifications
| -NOTE- | Electrical specifications measured with 10.16 x 10.16 cm (4 x 4 in.) reference ground plane. |
| Connector | RPSMA (Reverse Polarity SMA) |
| Center Frequency | 916 MHz |
| Frequency Range | 900 to 935 MHz |
| Gain | None |
| Wavelength | 1/4 wave, helical |
| VSWR | < 1.9 typical (at center) |
| Impedance | 50 ohm |
| Operating Temperature Range | -40° to +90°C |
| Maximum Dimensions | 51.0 mm (2.0 in.) length x 8.5 mm (0.33 in.) diameter |
| Weight | 45.36 g (0.1 lb) |
Compatibility
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Data Loggers
| Compatible | Note | |
|---|---|---|
| CR205 (retired) | ||
| CR206 (retired) | ||
| CR300 | Compatible with the -RF407 and -RF412 options. | |
| CR310 | Compatible with the -RF407 and -RF412 options. | |
| CR350 | Compatible with the -RF407 and -RF412 options. | |
| CR6 | Compatible with the -RF451, -RF407, and -RF412 options. | |
| CRVW3 | Compatible with the -RF451, -RF407, and -RF412 options. | |
| CRVW3-NE | Compatible with the -RF451, -RF407, and -RF412 options. |
Communication Devices
| Compatible | Note | |
|---|---|---|
| RF400 (retired) | ||
| RF401 (retired) | ||
| RF401A | ||
| RF407 | ||
| RF430 (retired) | ||
| RF451 (retired) |
Additional Compatibility Information
The 15731 covers the frequency bands used by some of our spread-spectrum radios operating in the 900 MHz range. Because it has an RPSMA plug connector, the 15731 can only be directly connected to a radio product or cable with an RPSMA jack. This includes, but is not exclusive to, the RF401A, RF411A, CR206X, CR211X, AVW206, and AVW211. Adapters such as pn 28477 and pn 18686 can be used to adapt this antenna to an RF connection other than an RPSMA.