PCTEL BMAX9155S 915 MHz ISM Stainless Steel Whip Antenna

Product Code



Application Category


RF Category

These PCTEL antennas feature a rugged molded polymer base, plated springloaded contact pin and 2.5 mm diameter stainless steel whip for long-lasting, trouble-free operation. The BMAX9155S is an ideal choice for ISM 915 MHz IoT applications. As the antenna is designed to mate with all 1-1/8”-18 thread mounts, including 3/4” mounts, no cable or RF termination is supplied as standard but available on request.

Select models are available with open or closed coil rod, and can be ordered in all black finish. This series offers models for many types of wireless applications, including Wi-Fi and WiMAX mobility, VHF and UHF land mobile radio, 700 Public Safety, 800 MHz and 900 MHz digital radio and AMPS/ PCS voice/data support.

  • Molded polymer base provides ruggedness and durability
  • Antenna is ready to install; no rod cutting is required
  • 4 dB (approx 2.2 dBi) collinear design 
  • Designed to mate with all 1-1/8”-18 thread mounts, including 3/4” mounts
Antenna Technical Data
Physical Characteristics
Construction Material
ABS Plastic
Stainless Steel
RF Connections
Radome Colour
Other - Black
Environmental Rating No Data
330 x 30 mm (H x ø)
Operating Temperature -40 °C to 85 °C
Weight No Data Mounting
1-1/8”-18 thread mounts
Stainless Whip Element
Electrical Specifications Mechanical Specifications
Input Impedance 50 Ω Input Connector -
Polarisation Input Connector Gender -
Max. Input Power 100 W Cable Series -
PIM, 3rd Order - Cable Length -
Range: 890 to 945 MHz
Peak Gain 2.20 dBi Azimuth Beamwidth 360°
VSWR < 1.5:1 Elevation Beamwidth No Data
Radiation Efficiency No Data Electrical Tilt
Front-to-Back Ratio - Inter-Port Isolation -
Cross-Polar Discrimination - Cross-Polar Isolation -


PCTEL company logo

Based in the United States, PCTEL, Inc. (Nasdaq: PCTI) has been delivering Performance Critical TELecom technology solutions to the wireless industry since 1994. PCTEL are a leading global supplier of antennas and wireless network testing solutions. PCTEL Connected Solutions designs and manufactures precision antennas. PCTEL antennas are deployed in small cells, enterprise Wi-Fi access points, fleet management and transit systems, and in equipment and devices for the Industrial Internet of Things (IIoT). 

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