Wireless RF Modules and dongles for IoT | Coral RF

N515BS-B is a professional-grade, high-power narrowband RF module base on Texas Instrument's CC1125 transceiver. Integrates a high-efficiency external Power Amplifier (PA) and Low-Noise Amplifier (LNA). Operating across 169, 433, 868, and 915 MHz bands, up to +25 dBm transmit power and down to -127 dBm receiver sensitivity.

[📊 Download Full Datasheet Now] | [🔧 View Hardware Design Guide]

2. Key Features & Benefits

Feature	Benefit
Exceptional RF Power & Range	Integrated external PA/LNA provides +25 dBm TX power and -127 dBm RX sensitivity.
Advanced CC1125 Performance	Based on CC1125, supporting a wider frequency range and optional data rates up to 200 kbps, with superior blocking and adjacent channel selectivity.
Industrial-Grade Robustness	Operation from -40°C to +85°C with full-pin ESD protection.
Complete System Control	Offers full control over PA/LNA and transceiver via standard SPI and control pins (PAEN, LNAEN).
Global Band Support	Single hardware design supports major worldwide Sub-1GHz bands (169, 433, 868, 915 MHz).

3. Detailed Technical Specifications

Category	Parameter	Specification
RF & Performance	Frequency Range	169, 433, 868, 915 MHz
	Max. Output Power	+25 dBm (~300 mW)
	Receiver Sensitivity	-127 dBm
	Data Rate	0.3 – 200 kbps
	Modulation	2-FSK, 4-FSK, MSK, OOK
	Typical Range	> 10,000 m
Electrical	Core Supply (VCC)	2.5V – 3.6V (Typ. 3.3V)
	PA Supply (VCC_PA)	2.5V – 7V (Typ. 5V)
	TX Current (Peak)	300 mA (Typical @ +25 dBm, on VCC_PA)
	RX Current	35 mA (Typical)
	Sleep Current	1 µA (Typical)
Hardware	Module Dimensions	29.5 × 21.0 × 3.0 mm
	Antenna Interface	IPEX Connector & RF Pad (50Ω)
	Host Interface	SPI (MOSI, MISO, SCK, CS) + GPIO
	Package	SMD
Environmental	Operating Temperature	-40°C to +85°C

4. Target Applications

Industrial SCADA & Telemetry: Ultra-long-range monitoring and control for oil pipelines, power grids, and water systems.
Advanced Metering Infrastructure (AMI): Wide-area data backhaul for smart water, electricity, and gas meters.
Critical Asset Tracking: Long-range location and status monitoring of high-value equipment in large mines, ports, and farms.
Professional Wireless Data Links: Point-to-point or point-to-multipoint networks replacing traditional wired or licensed radios.
Emergency & Security Comms: Disaster recovery, border surveillance, remote security systems.

5. Pin Configuration & Critical Functions

Pin	Name	Type	Description
1	RF	RF I/O	50Ω RF Port. Connect to antenna matching network.
4	VCCPA	Power Input	External PA Supply (2.5V to 7V). Provide sufficient current.
5	VCC	Power Input	Core Supply (2.5V to 3.6V). Powers the CC1125.
9	PAEN	Digital Input	PA Enable (Active High). Controlled by host MCU.
8	LNAEN	Digital Input	LNA Enable (Active Low). Controlled by host MCU.
10	RESET	Digital Input	Chip Reset (Active Low).
13,14,15,17	SPI Pins	Digital I/O	SPI Interface: MOSI, SCK, MISO, CS.

6. Why Choose the N515BS-B?

Link Budget Benchmark: The up to +25 dBm and -127 dBm delivers an unmatched 152 dB link budget.
CC1125 Platform Advantage: Offers better performance margin and functional flexibility.
Reduces Network Complexity: Single module outperforms repeaters – simpler, cheaper, more reliable.

7. Ordering Information

Order Code	Core IC	Target Frequency Range	Output Power
N515BS-B-169M	CC1125 + PA/LNA	160 – 175 MHz	+25 dBm
N515BS-B-433M	CC1125 + PA/LNA	410 – 480 MHz	+25 dBm
N515BS-B-868M	CC1125 + PA/LNA	860 – 880 MHz	+25 dBm
N515BS-B-915M	CC1125 + PA/LNA	910 – 960 MHz	+25 dBm

Unsure about frequency or if this power meets your needs? [🛠️ Consult an Engineer for Selection Advice]

Need More Power? Explore the CC1125 Platform Flagships

N515BS-B balances power and range. For extreme terrain or max distance, used CC1125 high-performance modules.

Dimension	Extended Range (0.5W)	Maximum Power (2W)
Product Model	N516BS Module	N518BS Module
Core IC(s)	CC1125 + CC1190 Front-End	CC1125 + Industrial-Grade PA
Output Power	+27 dBm (~0.5W)	+33 dBm (~2W)
Key Upgrade	• Designed for complex terrain • Excellent penetration & diffraction • Ideal for wide-area agriculture & environmental monitoring	• Maximum legal power for industrial use • Ultra-long-haul backbone links (>10km) • Critical infrastructure
Ideal Use Case	Large smart farms, forest fire detection, mining communications	Cross-province pipeline monitoring, island communications, emergency command networks
Learn More	[View N516BS Details]	[View N518BS Details]

How to Choose Within the CC1125 Series?

Choose N511BS-B (Foundation): Ultimate power efficiency and cost, and +15dBm output meets most sensor/meter needs.
Choose N515BS-B (This Model): Urban & 1‑10 km reliable, power‑optimized..
Upgrade to N516BS: Deployment is in rural, mountainous, or densely vegetated areas where overcoming terrain obstruction.
Choose N518BS: Point-to-point ultra-long-haul backbone links or coverage in extreme open environments.