It is generally sufficient to 'loosely couple' the modulator to the receiver. The output is fed through a pi attenuator so that the modulator can feed into any load without affecting the modulation characteristics.
eBay
SI4732 Mini Pocket Radio LSB USB AM FM FM/AM Radio 1.9inch IPS Screen HF SW MW VHF Radio Portable Radio DSP Radio
Aliexpress UK
1 x Transmitter. 1 x 3.5mm Headphone Signal Cable. We usually respond within 24 hours.
eBay
15W 50w 150w Fm Broadcast Transmitter 100 watt Radio Station 200w
Aliexpress UK
The output power is nominally 5 milliwatts into 50 ohms. The range is generally only a few feet depending on what is used as an antenna. This is not intended to be a long range radio transmitter. The output is fed through a pi attenuator so that the modulator can feed into any load without affecting the modulation characteristics.
eBay
SI4732 0.5-108mhz Portable Radio LSB USB AM FM Pocket Mini Radio 1.9inch IPS Screen FM/AM Radio All Band Radio Receiver
Aliexpress UK
The output power is nominally 5 milliwatts into 50 ohms. The range is generally only a few feet depending on what is used as an antenna. This is not intended to be a long range radio transmitter. The output is fed through a pi attenuator so that the modulator can feed into any load without affecting the modulation characteristics.
eBay
AM FM Radio Pocket Radio AM FM Transistor Radio DSP Chip Portable Pocket Mini Radio with Loudspeaker Headphone Jack Silver Gray
Aliexpress UK
The output power is nominally 5 milliwatts into 50 ohms. The range is generally only a few feet depending on what is used as an antenna. This is not intended to be a long range radio transmitter. The output is fed through a pi attenuator so that the modulator can feed into any load without affecting the modulation characteristics.
eBay
SI4732 0.5-108mhz LSB USB AM FM FM/AM Radio 1.9inch IPS Screen HF SW MW VHF Radio Portable Radio All Band Radio Receiver
Aliexpress UK
The output power is nominally 5 milliwatts into 50 ohms. The range is generally only a few feet depending on what is used as an antenna. This is not intended to be a long range radio transmitter. The output is fed through a pi attenuator so that the modulator can feed into any load without affecting the modulation characteristics.
eBay
Am Fm Weather Radio Portable Emergency Pocket Radio Mini Handheld Radio Receiver With Weather Warning NOAA AM FM Weather Radio
Aliexpress UK
Frequency range: 525~1605kHz. 1 x Transmitter. Health & Beauty. 7" Flexible Air Tyre Valve Extension Adaptor Motorcycle Car Tire Stem Extender u. 1 x 3.5mm Headphone Signal Cable. L298N Dual H Bridge Drive Module DC Stepper Motor Smart Car Robot For Arduino g.
eBay
SI4732 0.5-108mhz Pocket Mini Radio LSB USB AM FM FM/AM Radio with Antenna All Band Radio Receiver HF SW MW VHF Radio
Aliexpress UK
Frequency range: 525~1605kHz. 1 x Transmitter. 1 x 3.5mm Headphone Signal Cable. Battery is not included.
eBay
SI4732 0.5-108mhz Pocket Mini Radio LSB USB AM FM FM/AM Radio with 2pcs Antenna All Band Radio Receiver HF SW MW VHF Radio
Aliexpress UK