YC-TI-LCT-0002 | Ceyear 3681B Cable and Antenna Analyzer
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The portable 3681B covers 300 kHz–9 GHz with a 10.1-inch capacitive touchscreen, DTF fault location, 8 independent markers, 4 windows and 8 traces. Optional TDR, electronic calibration, USB power and optical measurement functions support installation, maintenance and diagnostics.
Product appearance reference from the manufacturer catalog. Screen demonstrations do not imply that every option is standard; the supplied configuration is defined in the quotation.
Core specifications
| Parameter | Specification |
|---|---|
| Manufacturer model | 3681B |
| Frequency range | 300 kHz–9 GHz |
| Frequency specification | Frequency accuracy: ±1×10⁻⁶ |
| Effective directivity | 36–42 dB |
| Reflection tracking | ±0.08 dB |
| Test port | N female |
| Display and operation | 10.1-inch capacitive touchscreen |
| Markers and display | 8 independent markers; 4 windows; 8 traces |
| Distance-to-fault measurement | Supported |
| Dimensions (W×H×D) | (258.3±2.5)×(179.4±2.5)×(37.0±1.5) mm, excluding dust plugs, connectors and side strap |
| Weight | <1.5 kg, excluding battery |
| Power / battery life | Lithium battery; typical operating time >4 hours |
Optional functions
| Option | Function and configuration requirements |
|---|---|
| 3681-S32 | TDR fault-characteristic analysis |
| 3681-S38 | Embedded electronic calibration |
| 3681-S01 | USB power measurement; compatible external 87233/87235 sensor required |
| 3681-S02 | USB peak/average power measurement; compatible 87234/87236 sensor required |
| 3681-S34 / 3681-H67 | Optical reflectometry and optical power: corresponding function option and USB optical module required |
| 3681-01 | English-language option |
36–42 dB is the catalog directivity range, not 42 dB at every frequency. External power sensors and optical modules are options and do not change the main unit cable/antenna range of 300 kHz–9 GHz. Battery operating time is typical.
Scope of supply
Specify frequency band, function options, calibration kits, test cables, interface language and quantity. Options, external sensors, computers and accessories are not included by default. Scope of supply, report requirements and delivery schedule are defined in the quotation.