Radio systems and receivers: choosing a reliable control link
Channels, receiver protocols, telemetry, range, redundancy and what to check before matching a transmitter to a model.
Pocket Radio Controller (M2)
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Pocket Radio Controller (M2) is a RadioMaster product intended for pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models. This page presents the practical buying information in one place: compatibility, SKU, variants, radio protocol, use case and technical details.
The content is written for customer decision-making through RC-MODEL, without supplier prices or outbound purchase routes.
Key Advantages
- Organized for pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models.
- Part of the Pocket transmitter platform.
- RF/protocol context: ExpressLRS / ELRS, 2.4GHz, 4-in-1 Multi-Protocol, EdgeTX.
- Compatibility note: 18650 batteries, which provide long battery life for hours of fun.
- Multiple variants are documented for easier matching to the required setup.
- Includes local product imagery and structured specifications for customer comparison.
Core Specifications
- Product Code: HP0157.0054-M2
- Product Family: Pocket transmitter platform
- Protocol / RF: ExpressLRS / ELRS, 2.4GHz, 4-in-1 Multi-Protocol, EdgeTX
- Compatibility: 18650 batteries, which provide long battery life for hours of fun
- Available Variants: Charcoal / ELRS / FCC; Charcoal / ELRS / LBT; Charcoal / CC2500 / FCC; Charcoal / CC2500 / LBT; Transparent / ELRS / FCC; Transparent / ELRS / LBT; Transparent / CC2500 / FCC; Transparent / CC2500 / LBT
- Battery: 2pcs 18650 batteries (Not included)
- Weight: 288 grams
- Item: Pocket Radio
- Physical dimensions: 156.6*65.1*125.3mm (Folded size) /156.6*73.1*154.8mm (Unfold size)
- Operating frequency: 2.400GHz-2.480GHz
- Internal RF Options: CC2500 multi-protocol / ELRS 2.4GHz
- Supported protocols: Module dependent
- Operational voltage: 6.6-8.4v DC
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
How to bind an RC transmitter and receiver
A practical binding guide for matching protocol, bind mode, receiver power, model memory, control checks and common binding mistakes.
How to set failsafe correctly on an RC aircraft
Failsafe setup for electric and fuel aircraft: throttle behavior, receiver signal loss, switch positions and safe verification before flight.
How to set Dual Rates and Expo on an RC transmitter
Make an aircraft calmer for beginners by setting low rates, high rates and expo without hiding mechanical setup problems.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | RadioMaster |
| Brand | RadioMaster |
| Product Code | HP0157.0054-M2 |
| All Variant SKUs | HP0157.0054-M2, HP0157.0054-LBT-M2, HP0157.0052-M2, HP0157.0052-LBT-M2, HP0157.0053-M2, HP0157.0053-LBT-M2, HP0157.0051-M2, HP0157.0051-LBT-M2 |
| Available Variants | Charcoal / ELRS / FCC; Charcoal / ELRS / LBT; Charcoal / CC2500 / FCC; Charcoal / CC2500 / LBT; Transparent / ELRS / FCC; Transparent / ELRS / LBT; Transparent / CC2500 / FCC; Transparent / CC2500 / LBT |
| Product Type | Pocket Radio |
| RadioMaster Collections | Pocket Radio |
| Product Family | Pocket transmitter platform |
| Application | pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models |
| Item | Pocket Radio |
| Weight | 288 grams |
| Compatibility | 18650 batteries, which provide long battery life for hours of fun |
| Protocol / RF | ExpressLRS / ELRS, 2.4GHz, 4-in-1 Multi-Protocol, EdgeTX |
| Display | 128*64 Monochrome LCD |
| Charging | Built in USB-C QC3 Charging |
| Battery | 2pcs 18650 batteries (Not included) |
| Gimbal | X5 Hall-effect, quad ball-bearing, nano gimbals (AG01 Nano compatible) |
| Internal RF Options | CC2500 multi-protocol / ELRS 2.4GHz |
| Supported protocols | Module dependent |
| Operational voltage | 6.6-8.4v DC |
| Operating system | EdgeTX |
| Control channels | Maximum 16 (Receiver dependent) |
| Physical dimensions | 156.6*65.1*125.3mm (Folded size) /156.6*73.1*154.8mm (Unfold size) |
| Operating frequency | 2.400GHz-2.480GHz |
| Upgradable Firmware | Via USB or the included SD card |
| Module bay | Nano size (Compatible with RadioMaster Nano-size modules, TBS Nano Crossfire / Nano Tracer ) |
Tags: RadioMaster, HP0157.0054-M2, Pocket Radios, Pocket Radio, RC radio