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[SeaCell™ SC-342] Marine biconical 5G/LTE antenna 698-3800 MHz

The SeaCell SC-342 is an omnidirectional biconical antenna with wide bandwidth, ideal for routers and wireless devices operating across a wide range of frequencies.

6dBi / 8dBi Gain
262 / 1000MHz Frequency range
N Female Connector

Product features

  • Manufacturer: SEACELL
  • Frequency range: 698-2700MHz
  • Antenna type: Omnidirectional
  • Gain: 6dBi / 8dBi
  • Bandwidth: 262 / 1000MHz
  • VSWR: <2.5:1
  • Input Power: Maximum 100W
  • Lighting Protection: DC Ground
  • Impedance: 50Ohm
  • Polarity: Vertical
  • Horizontal Beamwidth: 360°
  • Vertical Beamwidth: 18°
  • Operating temperature: -40°C - +80°C
  • Connector: N Female
  • Weight: 1.2Kg
  • Dimensions: Ø75 x 460mm
  • RoHS Compliant: Yes
  • Mount way: U-Bolts
  • Antenna Radome Material: Polyurethane coated glass fiber.

Technical specifications

Polarisation Vertical
VSWR <2.5:1
Impedance 50Ohm
Mounting U-Bolts
Material Polyurethane coated glass fiber.
Operating temperature -40°C - +80°C
Dimensions Ø75 × 460 mm
Weight 1.2 kg
SC-342
In stock
€239.90
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SeaCell
Omnidirectional 5G / 4G LTE 698–3800 MHz IP66 • Marine-grade Fiberglass

SeaCell™ SC-342 | Marine Biconical 5G/LTE Antenna 698–3800 MHz

SeaCell SC-342 Biconical
SeaCell SC-342 Inside
Biconical Pattern

The SeaCell SC-342 is an omnidirectional biconical antenna with wide bandwidth, ideal for routers and wireless devices operating across a wide range of frequencies. The geometry of a biconical antenna delivers a stable characteristic impedance as a function of the cone angle, and an excellent radiation pattern, ensuring reliable coverage in 5G/LTE applications.

Built from fiberglass and protected to IP66, it withstands the marine environment and extreme weather — ideal for marine and outdoor use.

Package: includes 1× LMR240 cable, 5 m with an SMA male connector (other lengths available on request).
LMR240 5m SMA male
Omnidirectional coverage
Reliable receive/transmit regardless of direction — simple installation.
Wide band 698–3800 MHz
Compatible with the common 4G & 5G bands.
Stable impedance
Biconical geometry → consistent behaviour across a wide spectrum.
IP66 • Marine-grade
Fiberglass body, resistant to UV / salt & vibration.
LMR240 cable, 5 m
Included, terminated with an SMA male connector.
Type: Biconical omnidirectional (Omni)
Frequencies: 698–3800 MHz
Environment: Marine / Outdoor (IP66)
Material: Fiberglass
Cable: LMR240 5 m (SMA male)
What is a ‘biconical’ antenna?
It consists of two equally sized conductive cones that meet at their apexes. It offers very wide bandwidth (multiple octaves) and a uniform radiation pattern for consistent performance across a broad frequency range.

Quick Installation Instructions

  • Placement: Outdoor / marine spots with a clear horizon. Avoid large metal obstacles near the antenna.
  • Sealing: Ensure IP66 at the connections (self-amalgamating tape / weatherproofing).
  • Cable: Use LMR240 or lower-loss cable for longer runs.
  • Grounding / Protection: Lightning protection and proper mast grounding are recommended.
Signal
Improve your 5G/4G LTE signal strength
When should I fit an external antenna? How do I check the signal on the router?
Read the Guide

Related products

Tεχνικά Χαρακτηριστικά:

  Parani-UD100
Standards
  • Bluetooth 4.0 Class 1
  • USB 2.0
Max Transfer Rate 3 Mbps (EDR)
Frequency Range 2.402 ~ 2.480GHz
Transmit Output Power +19dBm (+6dBm EDR) E.I.R.P
Receive Sensitivity
  • Basic 1Mbps: -88 dBm
  • EDR 2Mbps: -87dBm
  • EDR 3Mbps: -82dBm
Antenna Connector RP-SMA
Antenna Gain
  • Default Stub Antenna: 1 dBi
  • Optional Dipole Antennas: 3 dBi & 5 dBi
  • Optional Patch Antenna: 9 dBi
Working Distance
(In Open Field)
  • Stub antenna – Stub antenna: 300 m
  • Dipole (3 dBi) – Dipole (3 dBi) : 400 m
  • Dipole (5 dBi) – Dipole (5 dBi): 600 m
  • Patch antenna – Patch antenna: 1 km

* working distance can vary depending on install environment
Bluetooth stack software Latest Device Driver: BlueSoleil
Bluetooth Profiles DUN, FAX, SPP, HID, FTP, OPP, SDP, HCRP, LAN, OBEX FTP, OBEX OPP, OBEX BIP, BIP, AVRCP, A2DP, HSP, HFP, PAN, BPP, Headset, AVCTP, AVDTP, HDP, Find Me, Proximity, Health Thermometer, Heart Rate, HID OVER GATT
Computer OS Support
  • Windows XP/Vista/7/8 (32/64bit)
  • Linux (3rd party driver required)
  • MAC OS X (MAC OS X driver required)
Size 72(L) x 22(W) x 10(H) mm
Operating Temperature -40 ~ +85℃
Storage Temperature -40 ~ +85℃
Humidity 90% Non-condensing
Regulatory Approvals FCC, CE, TELEC, KCC, IC, Bluetooth SIG
Warranty 1 year Limited Warranty
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