Gain Selection Guide - Please Read Before Installation
Choosing the correct gain setting is crucial for optimal system performance and to prevent overload. Follow this guide based on your setup:
-
With Long Cable or Splitter: If using a long RF cable (over 5 meters) or a power divider between the amplifier and your hotspot, use the RX = 17dB, TX = 6dB combination (this product's default).
-
Direct Connection: If connecting the amplifier directly to your hotspot with a short cable, we recommend using a lower gain model, typically RX = 10dB, TX = 0dB.
-
Testing & Adjustment: To evaluate the impact of different gains, start with RX=17/TX=6 and use external 3dB or 6dB attenuators to fine-tune.
-
Other Gain Combinations: Need a different RX/TX gain value? Please contact us for custom options.
DESCRIPTION
Optimize your indoor Helium or LoRaWAN gateway with the ACASOM 868MHz Amplifier. This unit features a fixed 17dB receive gain and 6dB transmit gain, ideal for compensating signal loss in systems with longer cable runs or signal splitters. A key advantage is the integrated SAW filter in both the Rx and Tx paths, which provides essential out-of-band interference rejection to improve signal clarity and system stability. Powered by a standard DC plug (6-18V), this compact and efficient amplifier is designed to enhance coverage and reliability for your 863-870MHz IoT network.
KEY FEATURES
-
Optimized Fixed Gain: Preset to RX=17dB / TX=6dB, ideal for setups with significant cable loss.
-
Built-in Interference Protection: Features SAW filters on both receive and transmit chains to reduce unwanted noise.
-
Simple Power Setup: Operates via an included DC power plug for easy and reliable installation.
-
Clear Status Indicators: Dual LED indicators (Green for TX, Red for RX) provide instant visual feedback on operating mode.
-
Compact Metal Housing: Durable aluminum shell ensures effective heat dissipation and RF shielding.
TECHNICAL SPECIFICATIONS
| Parameter | Specification | Details / Benefit |
|---|---|---|
| Frequency Range | 863 - 870 MHz | Dedicated to EU LoRaWAN and Helium Network bands. |
| Receive Gain (Rx) | 17 dB ±1 | Boosts weak incoming signals to improve sensitivity. |
| Transmit Gain (Tx) | 6 dB ±1 | Provides moderate amplification for outgoing signals. |
| Max Output Power (P1dB) | 30 dBm (1 W) | Sufficient power for strong signal transmission. |
| Noise Figure | < 2.0 dB | Good receiver sensitivity for minimizing added noise. |
| Operating Voltage | 6 - 18 V DC | Flexible power input range. |
| RF Connectors | Input: SMA-Female; Output: RP-SMA-Female | Common connector types for easy integration. |
| Power Socket | 2.5*0.7mm DC Jack | For connection to the included power adapter. |
| Operating Temperature | -40℃ ~ +70℃ | Designed for stable operation in varied indoor conditions. |
| Dimensions | 64.5 x 34.5 x 10 mm | Compact form factor for discreet placement. |
INCLUDED
-
1 x 868MHz Amplifier (RX 17dB / TX 6dB)
-
1 x DC Power Plug
-
1 x RG402 Coaxial Cable