Canonical page: [Expandable Bluetooth Gateway | JJ-IS40B Series](https://www.rpilink.com/products/product-14/)

Website: Jinju Intelligence (Beijing) Technology Co., Ltd.

Language: English

Format: Markdown alternative generated from the public HTML main content.

---

[Products / Connectivity Gateways](https://www.rpilink.com/products/)

JJ-IS40B Series

# Expandable Bluetooth Gateway

From broadcasts to multi-protocol connectivity.

A general-purpose gateway for broadcast collection, downlink broadcasts and bidirectional connections. Compatible expansion cards and firmware can add LoRa, Zigbee, 4G Cat.1 or RFID connectivity.

BLE 5.0 Modular expansion UDP / MQTT

[Enquire by email](mailto:zydc0915@gmail.com) [Download datasheet (English)](https://www.rpilink.com/products/product-14/specification-en.docx)

![Expandable Bluetooth Gateway](https://www.rpilink.com/products/product-14/image17.png)

PRODUCT / Connectivity Gateways JINJU INTELLIGENCE

DESIGNED FOR YOUR OPERATION

## Hardware capabilities for real operations.

01 / CAPABILITY

### Broadcasts and connections

Collect broadcasts, transmit data and establish bidirectional terminal connections.

02 / CAPABILITY

### Modular expansion

Select expansion cards and corresponding firmware for the required protocol.

03 / CAPABILITY

### Centralized configuration

Use ACServer for device management and application-specific configuration.

TECHNICAL SPECIFICATIONS

## Technical specifications

Based on the supplied specification. Shipping parameters and optional functions depend on the confirmed model.

Industrial IoT

Bluetooth collection

Building devices

**Processor:** ARM 32-bit M4

**Bluetooth range:** 300m (line of sight)

**Transmit power:** 10dBm

**Data backhaul:** 10/100M LAN, UDP / MQTT

**Weight:** 580g

**Housing material:** Sheet metal

**Expansion bus:** SPI / UART (compatible expansion card)

**Management:** Jinju Toolbox / ACServer

Selection notes · Expansion modules are optional and require matching hardware and firmware. No ingress protection rating is specified.

APPLICATION SOLUTIONS

## Explore related solutions

Understand operating principles, deployment requirements and applications. Confirm the protocol and firmware for the selected products.

BLUETOOTH BEACON

### Bluetooth Beacon Positioning

Build spatial visibility with lightweight deployment.

Asset inventory · Room-level management · Personnel zone counts

[Open linked page](https://www.rpilink.com/solutions/ble-beacon/)

HYBRID LOCATION & CONNECTIVITY

### Indoor–Outdoor Hybrid Positioning

Cross building boundaries with a connected view.

Industrial campuses · Cross-building assets · Personnel inspections

[Open linked page](https://www.rpilink.com/solutions/hybrid/)

Source: JJ-IS40B Series - original Chinese specification

LET’S BUILD YOUR POSITIONING SYSTEM

## Make location data work for your site.

Plan your site survey, hardware selection and platform integration with Jinju.

[zydc0915@gmail.com](mailto:zydc0915@gmail.com) [Discuss your requirements](https://www.rpilink.com/contact/)